subject:(Recycled aggregate concrete)

New Jersey Institute of Technology

1. Islam, Bushra Marium. RCA: use and future possibilities.

Degree: MSin Civil Engineering - (M.S.), Civil and Environmental Engineering, 2017, New Jersey Institute of Technology

URL: https://digitalcommons.njit.edu/theses/22

► Reuse and recycling of concrete is essential for construction purposes. There has been progressive development in construction projects but at the same time it… (more)

Subjects/Keywords: Recycled concrete aggregate; Civil Engineering

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APA (6^th Edition):

Islam, B. M. (2017). RCA: use and future possibilities. (Thesis). New Jersey Institute of Technology. Retrieved from https://digitalcommons.njit.edu/theses/22

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Islam, Bushra Marium. “RCA: use and future possibilities.” 2017. Thesis, New Jersey Institute of Technology. Accessed April 14, 2021. https://digitalcommons.njit.edu/theses/22.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Islam, Bushra Marium. “RCA: use and future possibilities.” 2017. Web. 14 Apr 2021.

Vancouver:

Islam BM. RCA: use and future possibilities. [Internet] [Thesis]. New Jersey Institute of Technology; 2017. [cited 2021 Apr 14]. Available from: https://digitalcommons.njit.edu/theses/22.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Islam BM. RCA: use and future possibilities. [Thesis]. New Jersey Institute of Technology; 2017. Available from: https://digitalcommons.njit.edu/theses/22

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

2. Walker, La Sasha. Sustainable solution to recycled concrete: Improving structural applications.

Degree: PhD, Civil and Environmental Engineering, 2018, Georgia Tech

URL: http://hdl.handle.net/1853/61161

► Construction and demolition (C&D) or debris concrete is an underutilized resource often landfilled or recycled as a non-structural fill material. This study’s main objective is… (more)

Subjects/Keywords: Recycled concrete aggregate; Structural concrete; Recycled aggregate concrete; Sustainability

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APA (6^th Edition):

Walker, L. S. (2018). Sustainable solution to recycled concrete: Improving structural applications. (Doctoral Dissertation). Georgia Tech. Retrieved from http://hdl.handle.net/1853/61161

Chicago Manual of Style (16^th Edition):

Walker, La Sasha. “Sustainable solution to recycled concrete: Improving structural applications.” 2018. Doctoral Dissertation, Georgia Tech. Accessed April 14, 2021. http://hdl.handle.net/1853/61161.

MLA Handbook (7^th Edition):

Walker, La Sasha. “Sustainable solution to recycled concrete: Improving structural applications.” 2018. Web. 14 Apr 2021.

Vancouver:

Walker LS. Sustainable solution to recycled concrete: Improving structural applications. [Internet] [Doctoral dissertation]. Georgia Tech; 2018. [cited 2021 Apr 14]. Available from: http://hdl.handle.net/1853/61161.

Council of Science Editors:

Walker LS. Sustainable solution to recycled concrete: Improving structural applications. [Doctoral Dissertation]. Georgia Tech; 2018. Available from: http://hdl.handle.net/1853/61161

Anna University

3. Rameshkumar, M. Properties of lean concrete made with recycled aggregate and fly ash; -.

Degree: Civil Engineering, 2014, Anna University

URL: http://shodhganga.inflibnet.ac.in/handle/10603/27479

►

Quality aggregates have become scarce and costly in many places in newlineIndia due to sudden increase in construction activities required for the newlinedevelopment of new… (more)

Subjects/Keywords: civil engineering; lean concrete; recycled aggregate

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APA (6^th Edition):

Rameshkumar, M. (2014). Properties of lean concrete made with recycled aggregate and fly ash; -. (Thesis). Anna University. Retrieved from http://shodhganga.inflibnet.ac.in/handle/10603/27479

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Rameshkumar, M. “Properties of lean concrete made with recycled aggregate and fly ash; -.” 2014. Thesis, Anna University. Accessed April 14, 2021. http://shodhganga.inflibnet.ac.in/handle/10603/27479.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Rameshkumar, M. “Properties of lean concrete made with recycled aggregate and fly ash; -.” 2014. Web. 14 Apr 2021.

Vancouver:

Rameshkumar M. Properties of lean concrete made with recycled aggregate and fly ash; -. [Internet] [Thesis]. Anna University; 2014. [cited 2021 Apr 14]. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/27479.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Rameshkumar M. Properties of lean concrete made with recycled aggregate and fly ash; -. [Thesis]. Anna University; 2014. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/27479

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Queens University

4. Michaud, Katherine. Evaluation of the Environmental, Material, and Structural Performance of Recycled Aggregate Concrete .

Degree: Civil Engineering, 2015, Queens University

URL: http://hdl.handle.net/1974/13138

► Concrete is the most commonly used building material in the construction industry, and contributes to 52% of construction and demolition waste in Canada. Recycled concrete… (more)

▼ Concrete is the most commonly used building material in the construction industry, and contributes to 52% of construction and demolition waste in Canada. Recycled concrete aggregate (RCA) is one way to reduce this impact. To evaluate the performance of coarse and granular (fine and coarse) RCA in structural concrete applications, four studies were performed: an environmental assessment, a material testing program, a shear performance study, and a flexural performance study. To determine the environmental benefits of recycled aggregate concrete (RAC), three case studies were investigated using different populations and proximities to city centres. Environmental modelling suggested that RCA replacement could result in energy savings and greenhouse gas emission reductions, especially in remote areas. Tests were performed to determine if the volumetric replacement of up to 30% coarse RCA and 20% granular RCA is suitable for structural concrete applications in Canada. Fresh, hardened, and durability properties were evaluated. All five (5) of the RCA mixes showed equivalent material performance to the control mixes and met the requirements for a structural concrete mix. The five (5) RAC mixes were also used in structural testing. One-way reinforced concrete slab specimens were tested to failure to evaluate the shear and flexural performance of the RAC members. Peak capacities of and crack formation within each member were analyzed to evaluate the performance of RAC compared to conventional concrete. The shear capacity of specimens made from four (4) of the five (5) RAC mixtures was higher or equivalent to the control specimens. Specimens of the concrete mixture containing the highest content of recycled aggregate, 20% volumetric replacement of granular RCA, had shear capacities 14.1% lower, and exhibited cracking at lower loads than the control. The average flexural capacities of all RAC specimens were within 3.7% of the control specimens. Results from this research provide evidence that up to 30% coarse recycled concrete aggregate and 10% granular recycled aggregate may be incorporated into structural concrete mixtures without altering the behaviour of the structure. Concrete containing 20% volumetric replacement of the natural aggregate with granular RCA should be designed with special consideration of the shear performance.

Subjects/Keywords: Structural ; Material ; Environmental ; Recycled Concrete Aggregate

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APA (6^th Edition):

Michaud, K. (2015). Evaluation of the Environmental, Material, and Structural Performance of Recycled Aggregate Concrete . (Thesis). Queens University. Retrieved from http://hdl.handle.net/1974/13138

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Michaud, Katherine. “Evaluation of the Environmental, Material, and Structural Performance of Recycled Aggregate Concrete .” 2015. Thesis, Queens University. Accessed April 14, 2021. http://hdl.handle.net/1974/13138.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Michaud, Katherine. “Evaluation of the Environmental, Material, and Structural Performance of Recycled Aggregate Concrete .” 2015. Web. 14 Apr 2021.

Vancouver:

Michaud K. Evaluation of the Environmental, Material, and Structural Performance of Recycled Aggregate Concrete . [Internet] [Thesis]. Queens University; 2015. [cited 2021 Apr 14]. Available from: http://hdl.handle.net/1974/13138.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Michaud K. Evaluation of the Environmental, Material, and Structural Performance of Recycled Aggregate Concrete . [Thesis]. Queens University; 2015. Available from: http://hdl.handle.net/1974/13138

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Addis Ababa University

5. Aron, Berhanu. The Effect of Metakaolin on the Compressive Strength of Recycled Aggregate Concrete .

Degree: 2019, Addis Ababa University

URL: http://10.6.20.92/xmlui/handle/123456789/20827

► Large quantity of construction and demolition waste has been produced due to the economic growth of the world. However, the most common way to dispose… (more)

Subjects/Keywords: Recycled Aggregate Concrete; Metakaolin; ompressive Strength

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APA (6^th Edition):

Aron, B. (2019). The Effect of Metakaolin on the Compressive Strength of Recycled Aggregate Concrete . (Thesis). Addis Ababa University. Retrieved from http://10.6.20.92/xmlui/handle/123456789/20827

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Aron, Berhanu. “The Effect of Metakaolin on the Compressive Strength of Recycled Aggregate Concrete .” 2019. Thesis, Addis Ababa University. Accessed April 14, 2021. http://10.6.20.92/xmlui/handle/123456789/20827.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Aron, Berhanu. “The Effect of Metakaolin on the Compressive Strength of Recycled Aggregate Concrete .” 2019. Web. 14 Apr 2021.

Vancouver:

Aron B. The Effect of Metakaolin on the Compressive Strength of Recycled Aggregate Concrete . [Internet] [Thesis]. Addis Ababa University; 2019. [cited 2021 Apr 14]. Available from: http://10.6.20.92/xmlui/handle/123456789/20827.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Aron B. The Effect of Metakaolin on the Compressive Strength of Recycled Aggregate Concrete . [Thesis]. Addis Ababa University; 2019. Available from: http://10.6.20.92/xmlui/handle/123456789/20827

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Sydney

6. Wang, Qinghe. Time-dependent behaviour of composite steel-concrete slabs prepared with recycled coarse aggregate .

Degree: 2017, University of Sydney

URL: http://hdl.handle.net/2123/16762

► The purpose of this research is to investigate the influence of recycled coarse aggregate (RCA) on the long-term behaviour of composite steel-concrete slabs. Several types… (more)

Subjects/Keywords: recycled coarse aggregate; recycled aggregate concrete; composite slabs; non-uniform shrinkage; elastic modulus

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APA (6^th Edition):

Wang, Q. (2017). Time-dependent behaviour of composite steel-concrete slabs prepared with recycled coarse aggregate . (Thesis). University of Sydney. Retrieved from http://hdl.handle.net/2123/16762

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Wang, Qinghe. “Time-dependent behaviour of composite steel-concrete slabs prepared with recycled coarse aggregate .” 2017. Thesis, University of Sydney. Accessed April 14, 2021. http://hdl.handle.net/2123/16762.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Wang, Qinghe. “Time-dependent behaviour of composite steel-concrete slabs prepared with recycled coarse aggregate .” 2017. Web. 14 Apr 2021.

Vancouver:

Wang Q. Time-dependent behaviour of composite steel-concrete slabs prepared with recycled coarse aggregate . [Internet] [Thesis]. University of Sydney; 2017. [cited 2021 Apr 14]. Available from: http://hdl.handle.net/2123/16762.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Wang Q. Time-dependent behaviour of composite steel-concrete slabs prepared with recycled coarse aggregate . [Thesis]. University of Sydney; 2017. Available from: http://hdl.handle.net/2123/16762

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Illinois – Urbana-Champaign

7. Henschen, Jacob Daniel. Utilization of fine recycled concrete aggregate and alternative testing for controlled low-strength materials.

Degree: PhD, Civil and Environmental Engineering, 2018, University of Illinois – Urbana-Champaign

URL: http://hdl.handle.net/2142/102770

► With ever-increasing emphasis on sustainability, recycling concrete as aggregate has continued to be an important topic. While the use of the coarse fraction of recycled… (more)

▼ With ever-increasing emphasis on sustainability, recycling concrete as aggregate has continued to be an important topic. While the use of the coarse fraction of recycled concrete has become commonplace, the fine fraction is largely regarded as a waste material with few outlets for its use. In this thesis, the use of recycled fine concrete aggregate is investigated for use as a source of internal curing in new concrete and as the aggregate in controlled low-strength materials. Characterization of the recycled fine concrete aggregate did not indicate the presence of appreciable quantities of reactive materials, but the recycled aggregates do possess high absorption capacities, which indicates a potential for internal curing. The ability to provide internal curing is tested using autogenous shrinkage measurements. The mixture design method previously develop for controlled low-strength materials is further validated using alternative material combinations. In addition, dynamic cone penetrometer testing and accelerated curing methods are applied to the controlled low-strength material in order to better characterize the strength of the material. The internal curing tests indicated a potential for recycled aggregates to be used for internal curing. The results from the mixture design validation support the previous conclusions that slump flow is highly reliant on the paste volume. The subsidence and strength are both tied to the cement content and the water to cementitious ratio. The findings of the dynamic cone penetrometer tests suggest that it is a viable in situ test for controlled low-strength material. The in situ testing are then correlated with the unconfined compressive strength. Using elevated temperatures to cure controlled low-strength materials did result in significant strength increases over room temperature curing. The higher early strengths from the accelerated curing provides valuable information on the maximum strength that can be achieved from a mixture. The strength gain as a function of time and temperature is modeled for controlled low-strength materials using virgin fine aggregates. Advisors/Committee Members: Lange, David A. (advisor), Lange, David A. (Committee Chair), Popovics, John S. (committee member), Roesler, Jeffery R. (committee member), Mondal, Paramita (committee member), Anderson, Ross (committee member).

Subjects/Keywords: Recycled concrete aggregate; Fine recycled concrete aggregate; Controlled Low-Strength Materials; Dynamic cone penetrometer testing; Accelerated curing

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APA (6^th Edition):

Henschen, J. D. (2018). Utilization of fine recycled concrete aggregate and alternative testing for controlled low-strength materials. (Doctoral Dissertation). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/102770

Chicago Manual of Style (16^th Edition):

Henschen, Jacob Daniel. “Utilization of fine recycled concrete aggregate and alternative testing for controlled low-strength materials.” 2018. Doctoral Dissertation, University of Illinois – Urbana-Champaign. Accessed April 14, 2021. http://hdl.handle.net/2142/102770.

MLA Handbook (7^th Edition):

Henschen, Jacob Daniel. “Utilization of fine recycled concrete aggregate and alternative testing for controlled low-strength materials.” 2018. Web. 14 Apr 2021.

Vancouver:

Henschen JD. Utilization of fine recycled concrete aggregate and alternative testing for controlled low-strength materials. [Internet] [Doctoral dissertation]. University of Illinois – Urbana-Champaign; 2018. [cited 2021 Apr 14]. Available from: http://hdl.handle.net/2142/102770.

Council of Science Editors:

Henschen JD. Utilization of fine recycled concrete aggregate and alternative testing for controlled low-strength materials. [Doctoral Dissertation]. University of Illinois – Urbana-Champaign; 2018. Available from: http://hdl.handle.net/2142/102770

University of Adelaide

8. Xie, Tianyu. Development of novel concretes for structural applications.

Degree: 2015, University of Adelaide

URL: http://hdl.handle.net/2440/102576

► Owing to its properties and cost benefit, concrete is the most widely used construction material globally. The rapid increase in industrialization and urbanization because of… (more)

▼ Owing to its properties and cost benefit, concrete is the most widely used construction material globally. The rapid increase in industrialization and urbanization because of the global economy and population growth has increased environmental awareness and attracted attention to new methods and innovations in concrete technology. To respond to these needs, three novel concrete technologies are investigated in this thesis: eco-binder concrete, concrete produced with recycled concrete, and the use of external and internal reinforcements in conventional high-strength concrete (HSC). Gaps in the current literature were identified and addressed by performing new tests at the University of Adelaide. The investigations have resulted in five journal papers, which are parts of this thesis. First, the mechanical and durability-related properties of geopolymer concrete (GPC) are reported. GPC is currently investigated as an environmentally friendly alternative to concrete based on ordinary Portland cement (OPC). Because of the lack of literature data regarding the behaviour of coal ash-based geopolymer concrete cured under ambient conditions, this study uses ambiently-cured GPCs to identify the key parameters that affect the properties of fresh and hardened concrete. Second, the mechanical and durability-related properties of recycled aggregate concrete (RAC) was experimentally investigated in this research. In addition to this, confinement of RAC with fibre-reinforced polymer (FRP) has shown great potential as concrete for high-performance structural elements. Moreover, its use can reduce the environmental impact of natural resources depletion. This thesis also discusses the experimental results that aim to fill in the knowledge gap in the key parameters of the axial compressive behaviour of RAC-filled FRP tubes (RACFFTs) manufactured with carbon FRP (CFRP) or basalt FRP (BFRP) tubes. Finally, owing to the inherently brittle nature of HSC, even well-confined columns often exhibit temporary postpeak axial strength-softening behaviour, which negatively affects their overall performance. In this study, steel fibres, which effectively delay and stop crack propagation, were used as internal reinforcement to address the aforementioned shortcomings of conventional FRP-confined HSC. To date, this is the first experimental investigation of the effect of key parameters on the axial compressive behaviour of steel fibre-reinforced HSC (SFRHSC)-filled FRP tubes (SFRHSCFFTs). Advisors/Committee Members: Ozbakkaloglu, Togay (advisor), Wu, Chengqing (advisor), School of Civil, Environmental and Mining Engineering (school).

Subjects/Keywords: geopolymer concrete; recycled aggregate concrete; fibre-reinforced polymer (FRP); steel fibre-reinforced high-strength concrete

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APA (6^th Edition):

Xie, T. (2015). Development of novel concretes for structural applications. (Thesis). University of Adelaide. Retrieved from http://hdl.handle.net/2440/102576

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Xie, Tianyu. “Development of novel concretes for structural applications.” 2015. Thesis, University of Adelaide. Accessed April 14, 2021. http://hdl.handle.net/2440/102576.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Xie, Tianyu. “Development of novel concretes for structural applications.” 2015. Web. 14 Apr 2021.

Vancouver:

Xie T. Development of novel concretes for structural applications. [Internet] [Thesis]. University of Adelaide; 2015. [cited 2021 Apr 14]. Available from: http://hdl.handle.net/2440/102576.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Xie T. Development of novel concretes for structural applications. [Thesis]. University of Adelaide; 2015. Available from: http://hdl.handle.net/2440/102576

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Colorado

9. Geister, Andrew Evan. Effects of Recycled Concrete Aggregate Surface Treatments on Drying Shrinkage of Recycled Aggregate Concrete.

Degree: MS, 2011, University of Colorado

URL: https://scholar.colorado.edu/cven_gradetds/337

► The use of recycled concrete aggregate (RCA) in concrete construction is a practice that is increasing in use with a general movement toward more… (more)

Subjects/Keywords: absorption; aggregate properties; drying shrinkage; recycled concrete aggregate (RCA); surface treatments; sustainable construction; Civil Engineering

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APA (6^th Edition):

Geister, A. E. (2011). Effects of Recycled Concrete Aggregate Surface Treatments on Drying Shrinkage of Recycled Aggregate Concrete. (Masters Thesis). University of Colorado. Retrieved from https://scholar.colorado.edu/cven_gradetds/337

Chicago Manual of Style (16^th Edition):

Geister, Andrew Evan. “Effects of Recycled Concrete Aggregate Surface Treatments on Drying Shrinkage of Recycled Aggregate Concrete.” 2011. Masters Thesis, University of Colorado. Accessed April 14, 2021. https://scholar.colorado.edu/cven_gradetds/337.

MLA Handbook (7^th Edition):

Geister, Andrew Evan. “Effects of Recycled Concrete Aggregate Surface Treatments on Drying Shrinkage of Recycled Aggregate Concrete.” 2011. Web. 14 Apr 2021.

Vancouver:

Geister AE. Effects of Recycled Concrete Aggregate Surface Treatments on Drying Shrinkage of Recycled Aggregate Concrete. [Internet] [Masters thesis]. University of Colorado; 2011. [cited 2021 Apr 14]. Available from: https://scholar.colorado.edu/cven_gradetds/337.

Council of Science Editors:

Geister AE. Effects of Recycled Concrete Aggregate Surface Treatments on Drying Shrinkage of Recycled Aggregate Concrete. [Masters Thesis]. University of Colorado; 2011. Available from: https://scholar.colorado.edu/cven_gradetds/337

10. Babu,Velaga Sarath. Properties of high strength concrete utilizing processed recycled aggregate;.

Degree: Civil Engineering, 2015, Jaypee University of Engineering and Technology, Guna

URL: http://shodhganga.inflibnet.ac.in/handle/10603/45228

►

Globally the utilization of concrete particularly highstrength concrete has been increasing day by day due to rapid industrialization and infrastructural developments An enormous quantity of… (more)

Subjects/Keywords: Cement and Silica Fume; Recycled Aggregate Concrete; Scanning Electron Microscopy

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APA (6^th Edition):

Sarath, B. (2015). Properties of high strength concrete utilizing processed recycled aggregate;. (Thesis). Jaypee University of Engineering and Technology, Guna. Retrieved from http://shodhganga.inflibnet.ac.in/handle/10603/45228

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Sarath, Babu,Velaga. “Properties of high strength concrete utilizing processed recycled aggregate;.” 2015. Thesis, Jaypee University of Engineering and Technology, Guna. Accessed April 14, 2021. http://shodhganga.inflibnet.ac.in/handle/10603/45228.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Sarath, Babu,Velaga. “Properties of high strength concrete utilizing processed recycled aggregate;.” 2015. Web. 14 Apr 2021.

Vancouver:

Sarath B. Properties of high strength concrete utilizing processed recycled aggregate;. [Internet] [Thesis]. Jaypee University of Engineering and Technology, Guna; 2015. [cited 2021 Apr 14]. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/45228.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Sarath B. Properties of high strength concrete utilizing processed recycled aggregate;. [Thesis]. Jaypee University of Engineering and Technology, Guna; 2015. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/45228

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Stellenbosch University

11. Bredenkamp, Zaandre. The performance properties of recycled concrete in road pavement materials.

Degree: MEng, Civil Engineering, 2018, Stellenbosch University

URL: http://hdl.handle.net/10019.1/103450

► ENGLISH ABSTRACT: Due to a rise in population and industrialisation, the demand on infrastructure in developing countries have increased significantly. The world has been moving… (more)

▼ ENGLISH ABSTRACT: Due to a rise in population and industrialisation, the demand on infrastructure in developing countries have increased significantly. The world has been moving towards a more environmentally friendly and sustainable approach to provide the necessary infrastructure to sustain the economy. High quality natural aggregate is a finite resource with declining supply. It is therefore imperative that materials previously regarded as waste, should be recycled and reused. Large amounts of Concrete Demolition Waste (CDW) is created when old infrastructure is destroyed and this material placed in already constrained landfill sites. There has been a shift in perceptions of this material from being a waste to being a valued road construction material in recent years. Recycled Concrete and Masonry Aggregate are widely used in some developed countries, where good quality natural resources are scarce. However, in developing countries that have an abundance of good quality aggregate, but limited knowledge in the field of recycling, this material is often disregarded. Builders’ rubble that have been recycled, such as Recycled Concrete Aggregate (RCA), has shown to be an effective alternative material in structural pavement layers in other countries. In the South African industry, standards and guidelines towards the use of this material has not yet been developed and implemented. The experimental design developed for this study, incorporated two different types of RCA material, the Unexposed material used from the crushing process, and Exposed material that has been treated with the aim to promote rapid self-cementation. In this study, laboratory triaxial tests, which included monotonic and permanent deformation tests were performed. The self-cementing potential of the material was investigated by using two different types of material. These materials were tested at different curing times to investigate the effect on the durability of the material. It was found that RCA material, both Exposed and Unexposed, had large amounts of variability in terms of behaviour. The Exposed RCA more so than the Unexposed RCA. This can be attributed to the reduction in self-cementation potential and the variable dispersion of the cement particles left in the material after processing of the Exposed material. Both materials had very high shear strength parameter values (cohesion and friction angle). Results revealed that the shear parameters are not an indication of the material’s ability to withstand permanent deformation, as was shown for the Exposed RCA material. The Exposed material exhibited similar shear parameters to the Unexposed material. However, the Deviator Stress Ratio for the Exposed material, where stable behaviour in the permanent deformation tests was observed, was much lower than that of the Unexposed material. This suggests that the material relies not only on the matrix of aggregate interlock, but possibly also on the cementitious bonds for shear strength and resistance to permanent deformation. Using the results… Advisors/Committee Members: Rudman, Chantal, Jenkins, Kim, Stellenbosch University. Faculty of Engineering. Dept. of Civil Engineering..

Subjects/Keywords: Recycled Concrete Aggregate; Construction and demolition debris; Pavements – Material; UCTD

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APA (6^th Edition):

Bredenkamp, Z. (2018). The performance properties of recycled concrete in road pavement materials. (Thesis). Stellenbosch University. Retrieved from http://hdl.handle.net/10019.1/103450

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Bredenkamp, Zaandre. “The performance properties of recycled concrete in road pavement materials.” 2018. Thesis, Stellenbosch University. Accessed April 14, 2021. http://hdl.handle.net/10019.1/103450.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Bredenkamp, Zaandre. “The performance properties of recycled concrete in road pavement materials.” 2018. Web. 14 Apr 2021.

Vancouver:

Bredenkamp Z. The performance properties of recycled concrete in road pavement materials. [Internet] [Thesis]. Stellenbosch University; 2018. [cited 2021 Apr 14]. Available from: http://hdl.handle.net/10019.1/103450.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Bredenkamp Z. The performance properties of recycled concrete in road pavement materials. [Thesis]. Stellenbosch University; 2018. Available from: http://hdl.handle.net/10019.1/103450

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Texas A&M University

12. Geiger, Brian James. The Effects of Using Alkali-Silica Reaction Affected Recycled Concrete Aggregate in Hot Mix Asphalt.

Degree: MS, Civil Engineering, 2011, Texas A&M University

URL: http://hdl.handle.net/1969.1/ETD-TAMU-2010-08-8504

► The effects of using alkali-silica reaction (ASR) affected recycled concrete aggregate (ASR-RCA) in hot mix asphalt (HMA) were investigated in this study. Dilatometer and modified… (more)

▼ The effects of using alkali-silica reaction (ASR) affected recycled concrete aggregate (ASR-RCA) in hot mix asphalt (HMA) were investigated in this study. Dilatometer and modified beam tests were performed to determine the possibility of new ASR occurring in reactive aggregates within the HMA or re-expansion of existing gel. The Lottman test and micro-calorimeter were used to determine the moisture susceptibility of HMA made with ASR-RCA. A differential scanning calorimeter (DSC) with thermogravimetric analysis (TGA) was used to evaluate the drying of an artificial gel and x-ray diffraction (XRD) was used to check for the potential presence of gel in the filler fraction of the ASR-RCAs. Micro-deval and freeze-thaw tests were evaluated for their potential to indicate the presence of excess micro-cracks or ASR gel. Expansion testing indicated that both ASR-RCAs were still reactive with 0.5 N NaOH solution saturated with calcium hydroxide (CH) at 60 degrees C. Dilatometer testing of HMA specimens in NaOH CH solution at 60 degrees C indicated a reaction between the asphalt binder and the solution, but little, if any, ASR. The lack of expansion in the modified beam test supports the binder-solution interaction. However, dilatometer testing in deicer solution at the same temperature indicated that some ASR may have occurred along with the primary binder-solution interaction. The volume change characteristics associated with the binder-solution interaction with and without ASR was supported by the change in pH and alkali concentration of the test solution. DSC/TGA testing indicated that the artificial gel dehydrated at approximately 100 degrees C. XRD analysis of the filler indicated that some gel may have accumulated in this fraction. Moisture damage testing indicated good resistance to moisture damage by HMA mixtures made with ASR-RCA especially compared to a virgin siliceous aggregate. Micro-deval and freeze-thaw tests can detect the presence of micro-cracks due to ASR in ASR-RCAs as higher mass loss than the virgin aggregate. The potential distress mechanisms that may occur when using ASR-RCA in an HMA pavement were identified. Results obtained using accelerated laboratory conditions were extrapolated based on anticipated field conditions. Guidelines for the mitigation of potential distresses in HMA made with ASR-RCA are presented. Advisors/Committee Members: Mukhopadhyay, AnAl K. (advisor), Zollinger, Dan G. (advisor), Martin, Amy (committee member), Haque, Mohammed (committee member).

Subjects/Keywords: Alkali-Silica Reaction; Recycled Concrete Aggregate; Hot Mix Asphalt; Dilatometer

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Geiger, B. J. (2011). The Effects of Using Alkali-Silica Reaction Affected Recycled Concrete Aggregate in Hot Mix Asphalt. (Masters Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/ETD-TAMU-2010-08-8504

Chicago Manual of Style (16^th Edition):

Geiger, Brian James. “The Effects of Using Alkali-Silica Reaction Affected Recycled Concrete Aggregate in Hot Mix Asphalt.” 2011. Masters Thesis, Texas A&M University. Accessed April 14, 2021. http://hdl.handle.net/1969.1/ETD-TAMU-2010-08-8504.

MLA Handbook (7^th Edition):

Geiger, Brian James. “The Effects of Using Alkali-Silica Reaction Affected Recycled Concrete Aggregate in Hot Mix Asphalt.” 2011. Web. 14 Apr 2021.

Vancouver:

Geiger BJ. The Effects of Using Alkali-Silica Reaction Affected Recycled Concrete Aggregate in Hot Mix Asphalt. [Internet] [Masters thesis]. Texas A&M University; 2011. [cited 2021 Apr 14]. Available from: http://hdl.handle.net/1969.1/ETD-TAMU-2010-08-8504.

Council of Science Editors:

Geiger BJ. The Effects of Using Alkali-Silica Reaction Affected Recycled Concrete Aggregate in Hot Mix Asphalt. [Masters Thesis]. Texas A&M University; 2011. Available from: http://hdl.handle.net/1969.1/ETD-TAMU-2010-08-8504

University of Colorado

13. Barnhouse, Patrick William. Mechanical and Physical Property Characterization of Macroporous Recycled-Aggregate Pervious Concrete.

Degree: MS, 2015, University of Colorado

URL: https://scholar.colorado.edu/cven_gradetds/134

► Pervious concrete has been widely used in pavement applications to help alleviate environmental issues related to urban stormwater runoff and pollution. While horizontal infrastructure (e.g.,… (more)

▼ Pervious concrete has been widely used in pavement applications to help alleviate environmental issues related to urban stormwater runoff and pollution. While horizontal infrastructure (e.g., pavements) represent the majority of applications over the past few decades, pervious concrete is now being considered for other building infrastructure applications, such as sound barriers, insulation, and vertical garden walls. These new applications necessitate different physical and mechanical properties (e.g., ultra-high porosities) than pervious pavements. In response to this need, this research defines macroporous pervious concrete (MPC) as a pervious concrete with a minimum porosity of 30% and proposes it as a possible material solution for these new applications. The objective of this work was to characterize the mechanical and physical properties of the MPC under simulated field conditions. Due to the anticipated low strength of ultra-high porosity concrete, the impact of two binder additives, namely sand and titanium dioxide (TiO2), on the compressive strength of MPC was investigated. In addition, the effect of recycled aggregates on the mechanical and physical properties was assessed herein. To compare permeability of MPC to normal (< 30% porosity) pervious concrete, a modified Carman-Kozeny equation was proposed to predict permeability. Results demonstrate that MPC has a lower compressive strength and higher permeability than normal pervious concrete. Additionally, the use of recycled aggregates in lieu of virgin aggregates in MPC does not compromise its mechanical properties, but does impact MPC physical properties. Rather than being controlled by the parameters of unit weight, porosity, and aggregate type that usually govern the mechanical properties of normal pervious concrete, the strength of the MPC binder solely governs its mechanical performance. Furthermore, the data show that cement-binder additions of 7% sand or 2.5% TiO2 improve compressive strengths of recycled-aggregate MPC by 19% and 7%, respectively and that simultaneous use of both additives increase MPC compressive strength by 28%. Advisors/Committee Members: Wil V. Srubar III, Mija H. Hubler, Yunping Xi.

Subjects/Keywords: mechanical properties; permeability; pervious concrete; porosity; recycled aggregate; Civil Engineering

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Barnhouse, P. W. (2015). Mechanical and Physical Property Characterization of Macroporous Recycled-Aggregate Pervious Concrete. (Masters Thesis). University of Colorado. Retrieved from https://scholar.colorado.edu/cven_gradetds/134

Chicago Manual of Style (16^th Edition):

Barnhouse, Patrick William. “Mechanical and Physical Property Characterization of Macroporous Recycled-Aggregate Pervious Concrete.” 2015. Masters Thesis, University of Colorado. Accessed April 14, 2021. https://scholar.colorado.edu/cven_gradetds/134.

MLA Handbook (7^th Edition):

Barnhouse, Patrick William. “Mechanical and Physical Property Characterization of Macroporous Recycled-Aggregate Pervious Concrete.” 2015. Web. 14 Apr 2021.

Vancouver:

Barnhouse PW. Mechanical and Physical Property Characterization of Macroporous Recycled-Aggregate Pervious Concrete. [Internet] [Masters thesis]. University of Colorado; 2015. [cited 2021 Apr 14]. Available from: https://scholar.colorado.edu/cven_gradetds/134.

Council of Science Editors:

Barnhouse PW. Mechanical and Physical Property Characterization of Macroporous Recycled-Aggregate Pervious Concrete. [Masters Thesis]. University of Colorado; 2015. Available from: https://scholar.colorado.edu/cven_gradetds/134

University of Melbourne

14. Wijayasundara, Mayuri. Integrated assessment on the use of recycled concrete aggregate in structural concrete.

Degree: 2015, University of Melbourne

URL: http://hdl.handle.net/11343/59465

► Concrete waste is presently recycled and used as a road base material or, alternatively, landfilled, while it has the potential to be recycled to produce… (more)

▼ Concrete waste is presently recycled and used as a road base material or, alternatively, landfilled, while it has the potential to be recycled to produce recycled concrete aggregate (RCA) to replace natural coarse aggregate (NA) in structural concrete. This initiative not only conserves natural aggregate and addresses its increasing scarcity, but also enables recycling and reuse of concrete in a closed loop by the construction industry. Despite its numerous advantages, the industry uptake of manufacturing recycled aggregate concrete (RAC) has been considerably low. Material characterisation of RAC suggests that it has comparable properties to natural aggregate concrete (NAC). The question whether incorporating RCA into concrete as a waste derived product, outweigh its benefits, is yet unanswered, and RAC production currently remains at laboratory and trial scale testing in Australia. With the requirement to have a multi-criteria approach to evaluate whether the diversion of RCA to structural concrete is feasible, the research in this thesis proposes the use of cost-benefit analysis (CBA) to monetise the implications associated with the production of RAC. The proposed framework firstly conducts a technical evaluation to simulate the industrial scale manufacturing environment of RAC and its product composition, assuming incremental changes in the present industrial set-up to commence its production. Ready-mix concrete (RMC) manufacturing plants and waste concrete recycling plants based in Victoria, Australia are utilised for the validation of the proposed set up. Based on the technical evaluation, CBA evaluates manufacturing RAC (Project case) as opposed to NAC (Base case), considering multiple dimensions. The outcome of the evaluation is consolidated to derive the net present value (NPV) as a representative indicator to compare the two alternatives. As the first step, considering industrial scale manufacturing of RAC the incremental price of RAC is estimated, to represent the private operators’ perspective. Next, to estimate the external costs and benefits to parties who do not take part in production or consumption of RAC, the direct and indirect environmental and social impacts are evaluated. The direct environmental impact evaluation refers to the incremental embodied energy of RAC and converts it to a monetary value, incorporating the CO2 reabsorption occurring with concrete waste. The indirect environmental impact evaluation considers the benefits associated with the avoidance of disposal of waste concrete through landfills, and quarrying of NA, which are determined using economic evaluation methods. Relevant social implications are qualitatively assessed. In consolidating the outcomes, the net direct environmental, indirect environmental and social benefits are integrated first to estimate the next external benefit to society. This represents the value in terms of preserving environmental quality with the use of a recycled product replacing an extracted product. The NPV of manufacturing RAC as…

Subjects/Keywords: recycled concrete aggregate; integrated assessment; cost-benefit analysis

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Wijayasundara, M. (2015). Integrated assessment on the use of recycled concrete aggregate in structural concrete. (Doctoral Dissertation). University of Melbourne. Retrieved from http://hdl.handle.net/11343/59465

Chicago Manual of Style (16^th Edition):

Wijayasundara, Mayuri. “Integrated assessment on the use of recycled concrete aggregate in structural concrete.” 2015. Doctoral Dissertation, University of Melbourne. Accessed April 14, 2021. http://hdl.handle.net/11343/59465.

MLA Handbook (7^th Edition):

Wijayasundara, Mayuri. “Integrated assessment on the use of recycled concrete aggregate in structural concrete.” 2015. Web. 14 Apr 2021.

Vancouver:

Wijayasundara M. Integrated assessment on the use of recycled concrete aggregate in structural concrete. [Internet] [Doctoral dissertation]. University of Melbourne; 2015. [cited 2021 Apr 14]. Available from: http://hdl.handle.net/11343/59465.

Council of Science Editors:

Wijayasundara M. Integrated assessment on the use of recycled concrete aggregate in structural concrete. [Doctoral Dissertation]. University of Melbourne; 2015. Available from: http://hdl.handle.net/11343/59465

Texas State University – San Marcos

15. Wang, Zhuo. The Effects of Aggregate Moisture Conditions in Rheological Behaviors of High-Workability Mortar Prepared with Fine Recycled-Concrete Aggregate.

Degree: MS, Industrial Technology, 2012, Texas State University – San Marcos

URL: https://digital.library.txstate.edu/handle/10877/4244

► An ICAR rheometer was used in this study to measure the rheological behaviors of high-workability mortar (Self-Consolidating Concrete - SCC mortar). A mortar slump test… (more)

Subjects/Keywords: Rheology; SCC; Recycled aggregate; Rheology; Aggregates (Building materials) – Recycling; Concrete – Recycling

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Wang, Z. (2012). The Effects of Aggregate Moisture Conditions in Rheological Behaviors of High-Workability Mortar Prepared with Fine Recycled-Concrete Aggregate. (Masters Thesis). Texas State University – San Marcos. Retrieved from https://digital.library.txstate.edu/handle/10877/4244

Chicago Manual of Style (16^th Edition):

Wang, Zhuo. “The Effects of Aggregate Moisture Conditions in Rheological Behaviors of High-Workability Mortar Prepared with Fine Recycled-Concrete Aggregate.” 2012. Masters Thesis, Texas State University – San Marcos. Accessed April 14, 2021. https://digital.library.txstate.edu/handle/10877/4244.

MLA Handbook (7^th Edition):

Wang, Zhuo. “The Effects of Aggregate Moisture Conditions in Rheological Behaviors of High-Workability Mortar Prepared with Fine Recycled-Concrete Aggregate.” 2012. Web. 14 Apr 2021.

Vancouver:

Wang Z. The Effects of Aggregate Moisture Conditions in Rheological Behaviors of High-Workability Mortar Prepared with Fine Recycled-Concrete Aggregate. [Internet] [Masters thesis]. Texas State University – San Marcos; 2012. [cited 2021 Apr 14]. Available from: https://digital.library.txstate.edu/handle/10877/4244.

Council of Science Editors:

Wang Z. The Effects of Aggregate Moisture Conditions in Rheological Behaviors of High-Workability Mortar Prepared with Fine Recycled-Concrete Aggregate. [Masters Thesis]. Texas State University – San Marcos; 2012. Available from: https://digital.library.txstate.edu/handle/10877/4244

University of Manchester

16. Ataria, Robert Bennett. Innovative use of recycled materials in reinforced concrete beams.

Degree: 2020, University of Manchester

URL: http://www.manchester.ac.uk/escholar/uk-ac-man-scw:324168

► Despite extensive research studies, construction demolition waste (CDW) and worn-out tyres of motor vehicles are still not fully reused and are hence disposed of in… (more)

Subjects/Keywords: Recycled aggregates; Crumb rubber; Rubber recycled aggregate concrete; Two layer concrete beams; Graphene concrete; Bending resistance; Shear resistance

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Ataria, R. B. (2020). Innovative use of recycled materials in reinforced concrete beams. (Doctoral Dissertation). University of Manchester. Retrieved from http://www.manchester.ac.uk/escholar/uk-ac-man-scw:324168

Chicago Manual of Style (16^th Edition):

Ataria, Robert Bennett. “Innovative use of recycled materials in reinforced concrete beams.” 2020. Doctoral Dissertation, University of Manchester. Accessed April 14, 2021. http://www.manchester.ac.uk/escholar/uk-ac-man-scw:324168.

MLA Handbook (7^th Edition):

Ataria, Robert Bennett. “Innovative use of recycled materials in reinforced concrete beams.” 2020. Web. 14 Apr 2021.

Vancouver:

Ataria RB. Innovative use of recycled materials in reinforced concrete beams. [Internet] [Doctoral dissertation]. University of Manchester; 2020. [cited 2021 Apr 14]. Available from: http://www.manchester.ac.uk/escholar/uk-ac-man-scw:324168.

Council of Science Editors:

Ataria RB. Innovative use of recycled materials in reinforced concrete beams. [Doctoral Dissertation]. University of Manchester; 2020. Available from: http://www.manchester.ac.uk/escholar/uk-ac-man-scw:324168

University of Manchester

17. Ataria, Robert. Innovative use of recycled materials in reinforced concrete beams.

Degree: PhD, 2020, University of Manchester

URL: https://www.research.manchester.ac.uk/portal/en/theses/innovative-use-of-recycled-materials-in-reinforced-concrete-beams(7f5ba868-5f74-41d1-b7ff-966bbb93402f).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.804123

► Despite extensive research studies, construction demolition waste (CDW) and worn-out tyres of motor vehicles are still not fully reused and are hence disposed of in… (more)

Subjects/Keywords: Shear resistance; Bending resistance; Two layer concrete beams; Graphene concrete; Crumb rubber; Recycled aggregates; Rubber recycled aggregate concrete

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Ataria, R. (2020). Innovative use of recycled materials in reinforced concrete beams. (Doctoral Dissertation). University of Manchester. Retrieved from https://www.research.manchester.ac.uk/portal/en/theses/innovative-use-of-recycled-materials-in-reinforced-concrete-beams(7f5ba868-5f74-41d1-b7ff-966bbb93402f).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.804123

Chicago Manual of Style (16^th Edition):

Ataria, Robert. “Innovative use of recycled materials in reinforced concrete beams.” 2020. Doctoral Dissertation, University of Manchester. Accessed April 14, 2021. https://www.research.manchester.ac.uk/portal/en/theses/innovative-use-of-recycled-materials-in-reinforced-concrete-beams(7f5ba868-5f74-41d1-b7ff-966bbb93402f).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.804123.

MLA Handbook (7^th Edition):

Ataria, Robert. “Innovative use of recycled materials in reinforced concrete beams.” 2020. Web. 14 Apr 2021.

Vancouver:

Ataria R. Innovative use of recycled materials in reinforced concrete beams. [Internet] [Doctoral dissertation]. University of Manchester; 2020. [cited 2021 Apr 14]. Available from: https://www.research.manchester.ac.uk/portal/en/theses/innovative-use-of-recycled-materials-in-reinforced-concrete-beams(7f5ba868-5f74-41d1-b7ff-966bbb93402f).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.804123.

Council of Science Editors:

Ataria R. Innovative use of recycled materials in reinforced concrete beams. [Doctoral Dissertation]. University of Manchester; 2020. Available from: https://www.research.manchester.ac.uk/portal/en/theses/innovative-use-of-recycled-materials-in-reinforced-concrete-beams(7f5ba868-5f74-41d1-b7ff-966bbb93402f).html ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.804123

18. Toffoli, Thalyta. Desempenho do agregado reciclado: um estudo comparativo entre brasil e Portugal, baseado na especificação E 471:2009.

Degree: 2016, Instituto Politécnico do Porto

URL: http://www.rcaap.pt/detail.jsp?id=oai:recipp.ipp.pt:10400.22/9944

►

A presente dissertação foi elaborada no âmbito da unidade curricular de DIPRE (Dissertação/Projeto/Estágio), que se encontra no plano de estudos do 2º semestre do 2º… (more)

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A presente dissertação foi elaborada no âmbito da unidade curricular de DIPRE (Dissertação/Projeto/Estágio), que se encontra no plano de estudos do 2º semestre do 2º ano do Mestrado em Engenharia Civil, no ramo de Estruturas do Instituto Superior de Engenharia do Porto. Responsável pelo grande consumo de recursos naturais e pela grande quantidade de resíduos gerados, a indústria da construção civil busca alternativas para minimizar esse impacto. A reciclagem destes resíduos surge nesta busca como a melhor alternativa, retornando ao sector uma nova matéria prima, o agregado reciclado. Deste modo, nem o meio ambiente e nem a demanda são prejudicadas. Apenas os resíduos oriundos da construção, demolição, reabilitações e reparos podem ser reutilizáveis como agregados. E entre os vários resíduos da construção civil (RCC), os resíduos de betão são os que apresentam maior potencial de utilização, devido ao baixo grau de contaminação por outros materiais. Apesar das inúmeras pesquisas desenvolvidas com o objetivo de viabilizar o aproveitamento desses resíduos, não há um consenso na sua utilização. A legislação brasileira, NBR 15116, permite a aplicação do agregado reciclado apenas em betãos sem fins estruturais, enquanto a legislação portuguesa, E471:2009, pemite a aplicação da classe dos agregados reciclados de betão (ARB) em betãos com fins estruturais. Em busca de avaliar o potencial do agregado reciclado de betão (ARB), no fabrico de betão com fim estrutural; foi realizado um estudo experimental inicialmente de caracterização do material e posteriormente de produção de betão produzido com as percentagens de ARB permitidas na especificação portuguesa E 471:2009. Com o presente estudo procurou-se avaliar a viabilidade de utilização de agregados reciclados actualmente existentes no Brasil na execução de betões com fins estruturais. Os resultados encontrados permitiram concluir que a fração graúda do ARB, apresenta grande potencial, porém a falta de controlo no seu beneficiamento impossibilita ampliar sua utilização.

This dissertation was prepared in the context of curricular unit of DIPRE (Dissertation/Project/Internship), which is the 2nd semester of the 2nd year of the master’s degree in Civil Engineering, in the structures field of the Instituto Superior de Engenharia do Porto. Responsible for the large consumption of natural resources and the large amount of waste generated, the construction industry seeks alternatives to minimize this impact. The recycling of this waste comes this search as the best alternative, returning to a new raw material sector, the recycled aggregate. Accordingly, neither the environment nor the demand is hampered. Only waste from construction, demolition, restoration and repairs can be reusable as aggregates. And among the various construction waste (RCC), the waste concrete are those with the greatest potential for use due to the low degree of contamination by other materials. Despite numerous research developed in order to facilitate the use of this waste, there is no consensus on its use.…

Advisors/Committee Members: Guedes, Paulo Augusto Ribeiro.

Subjects/Keywords: Agregado reciclado; Agregado reciclado de betão; Resíduos da construção civil; Recycled Aggregate; Recycled Concrete Aggregate; Construction waste; Estruturas

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Toffoli, T. (2016). Desempenho do agregado reciclado: um estudo comparativo entre brasil e Portugal, baseado na especificação E 471:2009. (Thesis). Instituto Politécnico do Porto. Retrieved from http://www.rcaap.pt/detail.jsp?id=oai:recipp.ipp.pt:10400.22/9944

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Toffoli, Thalyta. “Desempenho do agregado reciclado: um estudo comparativo entre brasil e Portugal, baseado na especificação E 471:2009.” 2016. Thesis, Instituto Politécnico do Porto. Accessed April 14, 2021. http://www.rcaap.pt/detail.jsp?id=oai:recipp.ipp.pt:10400.22/9944.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Toffoli, Thalyta. “Desempenho do agregado reciclado: um estudo comparativo entre brasil e Portugal, baseado na especificação E 471:2009.” 2016. Web. 14 Apr 2021.

Vancouver:

Toffoli T. Desempenho do agregado reciclado: um estudo comparativo entre brasil e Portugal, baseado na especificação E 471:2009. [Internet] [Thesis]. Instituto Politécnico do Porto; 2016. [cited 2021 Apr 14]. Available from: http://www.rcaap.pt/detail.jsp?id=oai:recipp.ipp.pt:10400.22/9944.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Toffoli T. Desempenho do agregado reciclado: um estudo comparativo entre brasil e Portugal, baseado na especificação E 471:2009. [Thesis]. Instituto Politécnico do Porto; 2016. Available from: http://www.rcaap.pt/detail.jsp?id=oai:recipp.ipp.pt:10400.22/9944

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Univerzitet u Beogradu

19. Ignjatović, Ivan, 1979-. Granična nosivost armiranobetonskih grednih nosača od betona sa recikliranim agregatom.

Degree: Građevinski fakultet, 2015, Univerzitet u Beogradu

URL: https://fedorabg.bg.ac.rs/fedora/get/o:8676/bdef:Content/get

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Građevinarstvo-betonske konstrukcije / Civil Engineering-Concrete structures

Recikliranje betonskog otpada je jedno od održivih rešenja za rastuće probleme sa deponijama građevinskog otpada i nekontrolisano iskorišćavanje prirodnih… (more)

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Građevinarstvo-betonske konstrukcije / Civil Engineering-Concrete structures

Recikliranje betonskog otpada je jedno od održivih rešenja za rastuće probleme sa deponijama građevinskog otpada i nekontrolisano iskorišćavanje prirodnih resursa. Rezultat procesa je agregat od recikliranog betona koji se trenutno dominantno koristi za podloge puteva i nekonstruktivne betonske elemente. Sa stanovišta zaštite resursa, smanjenja energije i razvoja ekološke svesti, važno je istražiti da li se beton na bazi recikliranog agregata može koristiti za elemente armiranobetonskih konstrukcija. Predmet istraživanja u ovoj disertaciji su elementi konstrukcije, tačnije gredni nosači napravljeni od betona na bazi recikliranog agregata (RAC) i njihovo ponašanje pod dejstvom kratkotrajnog opterećenja do loma savijanjem ili smicanjem. Formirana je baza podataka i obavljena statistička analiza o mehaničkim svojstvima RAC betona u odnosu na uporedne betone sa prirodnim agregatom (NAC). Eksperimentalni rad obuhvatio je ispitivanje recikliranog agregata, betona na bazi recikliranog agregata i grednih nosača napravljenih od takvog betona. Rezultati ispitivanja svojstava agregata i probna ispitivanja fizičko-mehaničkih svojstava serija RAC i NAC betona poslužili su kao ulazni parametar za projektovanje sastava 3 betonske mešavine sa 0%, 50% i 100% recikliranog agregata krupne frakcije, iste projektovane čvrstoće pri pritisku. Ukupno je do loma ispitano 18 greda, statičkog sistema prosta greda, raspona 3.0 m. Od toga, napravljene su 3 serije od po 3 grede sa različitom količinom podužne armature (0.28%, 1.46% i 2.54%). Koncept ispitivanja postavljen je tako da se faznim povećanjem opterećenja dođe do loma nosača usled savijanja u sredini raspona. Takođe, napravljene su 3 serije od po 3 grede od betona sa 0%, 50% i 100% krupnog RAC i sa različitom količinom poprečne armature (0%, 0.14% i 0.19%), predviđenih za ispitivanje smičuće nosivosti. Izvršeno je poređenje zavisnosti sila-pomeranje, slika prslina, ugiba, dilatacija u betonu i armaturi, oblika loma i graničnih nosivosti greda od klasičnog i RAC betona, bazirano na sopstvenim i drugim rezultatima ispitivanja. Testirana je mogućnost primene savremenih propisa koji se odnose na NAC betone na gredne RAC elemente, kroz poređenje analitičkih predikcija i eksperimentalnih vrednosti momenta savijanja pri pojavi prve prsline, ugiba, graničnih momenata savijanja i granične smičuće sile. Takođe, izvršeno je poređenje sopstvenih i drugih rezultata eksperimentalnih ispitivanja osnovnih parametara nosivosti greda koje su dominantno izložene savijanju ili smicanju...

Advisors/Committee Members: Marinković, Snežana, 1962-.

Subjects/Keywords: recycled aggregate concrete; reinforced concrete beams; flexure; shear; short-term loading; experimental investigation

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Ignjatović, Ivan, 1. (2015). Granična nosivost armiranobetonskih grednih nosača od betona sa recikliranim agregatom. (Thesis). Univerzitet u Beogradu. Retrieved from https://fedorabg.bg.ac.rs/fedora/get/o:8676/bdef:Content/get

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Ignjatović, Ivan, 1979-. “Granična nosivost armiranobetonskih grednih nosača od betona sa recikliranim agregatom.” 2015. Thesis, Univerzitet u Beogradu. Accessed April 14, 2021. https://fedorabg.bg.ac.rs/fedora/get/o:8676/bdef:Content/get.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Ignjatović, Ivan, 1979-. “Granična nosivost armiranobetonskih grednih nosača od betona sa recikliranim agregatom.” 2015. Web. 14 Apr 2021.

Vancouver:

Ignjatović, Ivan 1. Granična nosivost armiranobetonskih grednih nosača od betona sa recikliranim agregatom. [Internet] [Thesis]. Univerzitet u Beogradu; 2015. [cited 2021 Apr 14]. Available from: https://fedorabg.bg.ac.rs/fedora/get/o:8676/bdef:Content/get.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Ignjatović, Ivan 1. Granična nosivost armiranobetonskih grednih nosača od betona sa recikliranim agregatom. [Thesis]. Univerzitet u Beogradu; 2015. Available from: https://fedorabg.bg.ac.rs/fedora/get/o:8676/bdef:Content/get

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

New Jersey Institute of Technology

20. Jamali, Amin. Seismic characterization of recycled aggregate concrete.

Degree: PhD, Civil and Environmental Engineering, 2011, New Jersey Institute of Technology

URL: https://digitalcommons.njit.edu/dissertations/238

► There are significant environmental benefits of recycling waste concrete and reusing it as aggregate for structural concrete, but the use of Recycled Aggregate Concrete… (more)

▼ There are significant environmental benefits of recycling waste concrete and reusing it as aggregate for structural concrete, but the use of Recycled Aggregate Concrete (RAC) is yet limited to non-structural applications such as road sub-base. Widespread application of RAC in areas such as seismic design requires an improved knowledge of RAC behavior under multiaxial state of stresses. The main objective of this research is the characterization of seismic properties of RAC by developing a stress-strain model which can reasonably describe the behavior under both unconfined and confined conditions. An extensive experimental program, including testing of several plain RAC cylinders as well as reinforced RAC columns, was conducted. There are numerous variables influencing the behavior of confined RAC, creating unlimited experimental possibilities, so the tests parameters were chosen to be limited to square columns with normal strength RAC and rectilinear tie configurations. Stress-strain curves were obtained for several 4 inches by 8 inches RAC cylinders with compressive strength from 2.5 ksi to 7.5 ksi. Based on the experimental results, a new model for stress-strain behavior of plain RAC was developed. Up to an axial strain of 0.0025, a nonlinear equation is considered for the ascending branch, which is primarily a function of compressive strength and elastic modulus, while the descending branch is a straight line and is a function of compressive strength. A sustaining branch was proposed where the plain RAC is capable of sustaining 10% of the compressive strength. 44 reinforced RAC columns, 10 inches by 10 inches in section and 32 inches in height with nine different combination of tie patterns and spacings were tested under quasi-static (1.6 10-5 per in.) and dynamic (1.6 10-2 per in.) axial straining rates. The columns with a volumetric ratio of ties of 1.5% more were capable of sustaining the load than the columns with lower volumetric ratios. Under the fast straining rate, the columns showed about 27% increase in strength. The columns with sufficient and well-distributed lateral confinement did not also show any stiffness degradation under cyclic loading. Special attention was paid to recording the axial strains at which vertical cracks were developing, as well as the strains at which the cover was no longer effective. These strains were indicative of the gradual transition of axial stresses from cover to the core. Based on these strains and contributions of concrete and longitudinal steel in for each column, a new one-of-a-kind stress-strain model for confined RAC was proposed. The model is comprised of an ascending-transition-descending structure would be suitable to define the behavior. The ascending branch proposed for plain RAC is applicable for confined RAC as well. The transition zone starts at a strain of 0.0020 and ends at a strain where the cover is completely ineffective. The descending branch is a straight line and primarily a function of the lateral reinforcement. The… Advisors/Committee Members: M. Ala Saadeghvaziri, Mohamed Ahmed Mahgoub, Dorairaja Raghu.

Subjects/Keywords: Recycled aggregate concrete; Confined concrete; Stress-strain; Ductility; Sustainability; Compressive strength; Civil Engineering

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APA (6^th Edition):

Jamali, A. (2011). Seismic characterization of recycled aggregate concrete. (Doctoral Dissertation). New Jersey Institute of Technology. Retrieved from https://digitalcommons.njit.edu/dissertations/238

Chicago Manual of Style (16^th Edition):

Jamali, Amin. “Seismic characterization of recycled aggregate concrete.” 2011. Doctoral Dissertation, New Jersey Institute of Technology. Accessed April 14, 2021. https://digitalcommons.njit.edu/dissertations/238.

MLA Handbook (7^th Edition):

Jamali, Amin. “Seismic characterization of recycled aggregate concrete.” 2011. Web. 14 Apr 2021.

Vancouver:

Jamali A. Seismic characterization of recycled aggregate concrete. [Internet] [Doctoral dissertation]. New Jersey Institute of Technology; 2011. [cited 2021 Apr 14]. Available from: https://digitalcommons.njit.edu/dissertations/238.

Council of Science Editors:

Jamali A. Seismic characterization of recycled aggregate concrete. [Doctoral Dissertation]. New Jersey Institute of Technology; 2011. Available from: https://digitalcommons.njit.edu/dissertations/238

University of Notre Dame

21. Adam Knaack. Sustainable Concrete Structures using Recycled Concrete Aggregate: Short-Term and Long-Term Behavior Considering Material Variability</h1>.

Degree: Civil and Environmental Engineering and Earth Sciences, 2013, University of Notre Dame

URL: https://curate.nd.edu/show/bk128912n6w

► The use of recycled concrete aggregate (RCA) in the U.S. has mostly been limited to non-structural applications such as roadway sub-base. To advance this… (more)

▼ The use of recycled concrete aggregate (RCA) in the U.S. has mostly been limited to non-structural applications such as roadway sub-base. To advance this sustainable material as replacement for coarse natural aggregates (e.g., gravel) in structural applications, a fundamental understanding of the behavior of RCA concrete is needed while also incorporating the variability in RCA properties. To this end, this dissertation investigates the short-term and long-term structural behavior of RCA concrete through material and member level experiments, accompanying analytical models, and statistical investigations. Three RCA concrete mix design methods utilizing up to 100% (i.e., full) direct volume aggregate replacement, direct weight replacement, and equivalent mortar replacement are compared. To represent the variability in material properties, sixteen RCA sources from the midwestern U.S are used. The research vision is to use RCA with minimal deviation or additional processing from current practice for conventional reinforced concrete structures. The material level tests show that direct volume replacement is the best method to design RCA concrete mixes because this simple method results in a consistent volumetric yield and workability as conventional concrete. While there is a decrease in the concrete strength and stiffness as a result of RCA, the dissertation proposes design relationships to pre-qualify the RCA (using the aggregate water absorption and deleterious material content) to achieve specific concrete strength and stiffness performance criteria. RCA has a much greater effect on concrete stiffness than strength; and thus, increased deflections may be a greater limitation. Based on creep and shrinkage experiments, the dissertation develops adjustment factors for conventional concrete creep and shrinkage models to predict the deformations of RCA concrete. These models are validated using the long-term deflections from eighteen reinforced concrete beam test specimens. The beams are subsequently tested under ultimate loads to experimentally and analytically investigate the flexural, shear, and bond failure in RCA concrete. The measured long-term beam deflections are also used to validate a new time-dependent concrete material model for the OpenSees structural analysis program. This model is then extended to parametric Monte Carlo investigations to determine the service-load behavior of beams and columns incorporating the variability in RCA properties. Advisors/Committee Members: Dr. Ashley Thrall, Committee Member, Dr. David Kirkner, Committee Member, Dr. Yahya Kurama, Committee Chair, Dr. Kapil Khandelwal, Committee Member.

Subjects/Keywords: Structural Behavior; Concrete; Creep; Shrinkage; Recycled Concrete Aggregate; Sustainability; Time-Dependent Deflection

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Knaack, A. (2013). Sustainable Concrete Structures using Recycled Concrete Aggregate: Short-Term and Long-Term Behavior Considering Material Variability</h1>. (Thesis). University of Notre Dame. Retrieved from https://curate.nd.edu/show/bk128912n6w

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Knaack, Adam. “Sustainable Concrete Structures using Recycled Concrete Aggregate: Short-Term and Long-Term Behavior Considering Material Variability</h1>.” 2013. Thesis, University of Notre Dame. Accessed April 14, 2021. https://curate.nd.edu/show/bk128912n6w.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Knaack, Adam. “Sustainable Concrete Structures using Recycled Concrete Aggregate: Short-Term and Long-Term Behavior Considering Material Variability</h1>.” 2013. Web. 14 Apr 2021.

Vancouver:

Knaack A. Sustainable Concrete Structures using Recycled Concrete Aggregate: Short-Term and Long-Term Behavior Considering Material Variability</h1>. [Internet] [Thesis]. University of Notre Dame; 2013. [cited 2021 Apr 14]. Available from: https://curate.nd.edu/show/bk128912n6w.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Knaack A. Sustainable Concrete Structures using Recycled Concrete Aggregate: Short-Term and Long-Term Behavior Considering Material Variability</h1>. [Thesis]. University of Notre Dame; 2013. Available from: https://curate.nd.edu/show/bk128912n6w

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Univerzitet u Beogradu

22. Carević, Vedran, 1987-, 25927015. Uticaj prslina na mehanizme deterioracije i trajnost armiranobetonskih konstrukcija.

Degree: Građevinski fakultet, 2020, Univerzitet u Beogradu

URL: https://fedorabg.bg.ac.rs/fedora/get/o:23063/bdef:Content/get

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Građevinarstvo - Betonske konstrukcije / Civil Engineering - Concrete Structures

Trajnost betona definisana je njegovom otpornošću na dejstvo štetnih agenasa iz okolne sredine koji dovode… (more)

Subjects/Keywords: concrete; durability; cracks; carbonation; fly ash; recycled concrete aggregate; prediction models; accelerated carbonation test; corrosion

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Carević, Vedran, 1987-, 2. (2020). Uticaj prslina na mehanizme deterioracije i trajnost armiranobetonskih konstrukcija. (Thesis). Univerzitet u Beogradu. Retrieved from https://fedorabg.bg.ac.rs/fedora/get/o:23063/bdef:Content/get

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Carević, Vedran, 1987-, 25927015. “Uticaj prslina na mehanizme deterioracije i trajnost armiranobetonskih konstrukcija.” 2020. Thesis, Univerzitet u Beogradu. Accessed April 14, 2021. https://fedorabg.bg.ac.rs/fedora/get/o:23063/bdef:Content/get.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Carević, Vedran, 1987-, 25927015. “Uticaj prslina na mehanizme deterioracije i trajnost armiranobetonskih konstrukcija.” 2020. Web. 14 Apr 2021.

Vancouver:

Carević, Vedran, 1987- 2. Uticaj prslina na mehanizme deterioracije i trajnost armiranobetonskih konstrukcija. [Internet] [Thesis]. Univerzitet u Beogradu; 2020. [cited 2021 Apr 14]. Available from: https://fedorabg.bg.ac.rs/fedora/get/o:23063/bdef:Content/get.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Carević, Vedran, 1987- 2. Uticaj prslina na mehanizme deterioracije i trajnost armiranobetonskih konstrukcija. [Thesis]. Univerzitet u Beogradu; 2020. Available from: https://fedorabg.bg.ac.rs/fedora/get/o:23063/bdef:Content/get

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Texas State University – San Marcos

23. Marines Munoz, Armando. Evaluation of Sustainability, Durability, and the Effect of Specimen Type in Pervious Concrete Mixtures.

Degree: MS, Industrial Technology, 2012, Texas State University – San Marcos

URL: https://digital.library.txstate.edu/handle/10877/4280

► Pavements are one of the most important components of a city’s infrastructure covering significant portions of urban land while simultaneously generating negative impacts such as… (more)

Subjects/Keywords: Pervious concrete; Recycled concrete aggregate; Ground granulated blast-furnace slag; Sustainability.; Pavements, Concrete; Lightweight concrete; Slag; Concrete construction; Aggregates (Building materials)

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Marines Munoz, A. (2012). Evaluation of Sustainability, Durability, and the Effect of Specimen Type in Pervious Concrete Mixtures. (Masters Thesis). Texas State University – San Marcos. Retrieved from https://digital.library.txstate.edu/handle/10877/4280

Chicago Manual of Style (16^th Edition):

Marines Munoz, Armando. “Evaluation of Sustainability, Durability, and the Effect of Specimen Type in Pervious Concrete Mixtures.” 2012. Masters Thesis, Texas State University – San Marcos. Accessed April 14, 2021. https://digital.library.txstate.edu/handle/10877/4280.

MLA Handbook (7^th Edition):

Marines Munoz, Armando. “Evaluation of Sustainability, Durability, and the Effect of Specimen Type in Pervious Concrete Mixtures.” 2012. Web. 14 Apr 2021.

Vancouver:

Marines Munoz A. Evaluation of Sustainability, Durability, and the Effect of Specimen Type in Pervious Concrete Mixtures. [Internet] [Masters thesis]. Texas State University – San Marcos; 2012. [cited 2021 Apr 14]. Available from: https://digital.library.txstate.edu/handle/10877/4280.

Council of Science Editors:

Marines Munoz A. Evaluation of Sustainability, Durability, and the Effect of Specimen Type in Pervious Concrete Mixtures. [Masters Thesis]. Texas State University – San Marcos; 2012. Available from: https://digital.library.txstate.edu/handle/10877/4280

Penn State University

24. Dalesandro, Kienan. Durability of Internally Cured Concrete with Reclaimed Sands.

Degree: 2020, Penn State University

URL: https://submit-etda.libraries.psu.edu/catalog/17569kjd256

► A significant portion of municipal solid waste has traditionally been addressed through recycling; however, the recycling market has become unreliable due to the stringent contamination… (more)

Subjects/Keywords: concrete; internal curing; recycled aggregate; reclaimed sands; lightweight aggregate; lightweight concrete; durability; freeze thaw resistance; rapid chloride permeability

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Dalesandro, K. (2020). Durability of Internally Cured Concrete with Reclaimed Sands. (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/17569kjd256

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Dalesandro, Kienan. “Durability of Internally Cured Concrete with Reclaimed Sands.” 2020. Thesis, Penn State University. Accessed April 14, 2021. https://submit-etda.libraries.psu.edu/catalog/17569kjd256.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Dalesandro, Kienan. “Durability of Internally Cured Concrete with Reclaimed Sands.” 2020. Web. 14 Apr 2021.

Vancouver:

Dalesandro K. Durability of Internally Cured Concrete with Reclaimed Sands. [Internet] [Thesis]. Penn State University; 2020. [cited 2021 Apr 14]. Available from: https://submit-etda.libraries.psu.edu/catalog/17569kjd256.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Dalesandro K. Durability of Internally Cured Concrete with Reclaimed Sands. [Thesis]. Penn State University; 2020. Available from: https://submit-etda.libraries.psu.edu/catalog/17569kjd256

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

25. Elghazzi, Jacoub. Betong med återvunnen betong som ballast : En experimentell studie om de mekaniska egenskaperna.

Degree: Engineering and Business, 2020, University of Borås

URL: http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-23650

►

Det pågår just nu ett arbete inom byggindustrin att allt mer gå över till en cirkulär ekonomi för att hushålla på världens naturliga resurser.… (more)

▼

Det pågår just nu ett arbete inom byggindustrin att allt mer gå över till en cirkulär ekonomi för att hushålla på världens naturliga resurser. För betongtillverkningen innebär det att försöka ersätta naturballast med återvunnen betong som ballast. Men för tillfället finns det lagkrav som förhindrar att naturballast helt ska kunna ersättas av återvunnen betong som ballast. Det är för att det finns vissa fysikaliska egenskaper, så som att porositeten ökar, som gör att de mekaniska egenskaperna blir sämre när naturballast ersätts med återvunnen betong som ballast. Detta examensarbete utfördes genom experimentella studier. Undersökningen utfördes i mekanik- och betonglaboratorium på Högskolan i Borås. Det utfördes en storskalig gjutningsserie där betongavfall från Ulricehamns Betong AB (UBAB) och Hedareds Sand & Betong AB (HEDA) prövades som ballastersättare till 50 och 100 %. För samtliga försök uppmättes både sättmått och betongens mekaniska egenskaper. Resultaten från betong med återvunnen betong som ballast (RAC) jämfördes med referensbetongen. Referensbetongen är baserad på ett känt- och beprövat originalrecept från UBAB respektive HEDA. Betongen med återvunnen betong som ballast är baserad på modifieringar som gjorts på referensrecept. Målet med studien var att undersöka hur återvunnen betong som ballast i betongblandningen påverkar betongens mekaniska egenskaper så som tryckhållfasthet, spräckhållfasthet och elasticitetsmodul. De testerna utfördes på gjutna cylindrar efter 28 dygn, tryckhållfastheten var också testad efter 7 dygn. Böjdraghållfasthet testades på balkar efter 28 dagar. Sedan utvärderades dessa resultat för att se hur de mekaniska egenskaperna förändras när en större del återvunnen betong som ballast används i recepten. Resultaten varierar litegrann för de olika provningarna. Denna studie styrker tesen att minskningen av tryckhållfastheten, efter 28 dagars härdning, som sker när återvunnen betong som ballast (RCA) används är inom intervallet 5–24 %. Provningarna av elasticitetsmodulen uppvisar liknande tendenser som tidigare forskning då betongen blir lite mindre styv när naturballast (NA) ersätts av RCA. Den styrker även tidigare forskning där böjdraghållfastheten är större vid ökade RCA-mängder. Då det för HEDA-recepten uppvisades en ökning med 9 procentenheter när all NA ersattes med RCA. Spräckhållfastheten uppvisade samma tendenser som böjdraghållfastheten. Det resultatet är däremot inte i linje med vad som har visats i tidigare forskning, då spräckhållfastheten har i de studierna minskat vid högre ersättningsandelar.

Work in the construction industry is currently underway to move to a circular economy to preserve the world’s natural resources. For concrete production this means trying to replace natural aggregate with recycled concrete aggregate. But for the time being there are standard allows that prevent natural aggregate from being completely replaced by recycled concrete aggregate. This is because there are certain physical properties, such as an increase…

Subjects/Keywords: recycled aggregate concrete; recycled concrete aggregate; betong med återvunnen betong som ballast; återvunnen betong som ballast; mekaniska egenskaper; tryckhållfasthet; böjdraghållfasthet; spräckhållfasthet; elasticitetsmodul; Engineering and Technology; Teknik och teknologier

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Elghazzi, J. (2020). Betong med återvunnen betong som ballast : En experimentell studie om de mekaniska egenskaperna. (Thesis). University of Borås. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-23650

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Elghazzi, Jacoub. “Betong med återvunnen betong som ballast : En experimentell studie om de mekaniska egenskaperna.” 2020. Thesis, University of Borås. Accessed April 14, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-23650.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Elghazzi, Jacoub. “Betong med återvunnen betong som ballast : En experimentell studie om de mekaniska egenskaperna.” 2020. Web. 14 Apr 2021.

Vancouver:

Elghazzi J. Betong med återvunnen betong som ballast : En experimentell studie om de mekaniska egenskaperna. [Internet] [Thesis]. University of Borås; 2020. [cited 2021 Apr 14]. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-23650.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Elghazzi J. Betong med återvunnen betong som ballast : En experimentell studie om de mekaniska egenskaperna. [Thesis]. University of Borås; 2020. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-23650

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

26. Ramesh, Rakul. Finite element model-based code calibration for design of steel fibre reinforced recycled aggregate concrete beams.

Degree: 2019, Western Sydney University

URL: http://hdl.handle.net/1959.7/uws:51885

► As the construction industry is rapidly growing, the importance given to sustainable construction techniques has increased, to protect the environment and the limited reserves of… (more)

▼ As the construction industry is rapidly growing, the importance given to sustainable construction techniques has increased, to protect the environment and the limited reserves of natural resources. In order to reduce the negative environmental impact of the construction industry and to meet the increasing global demand for raw materials, the significance of recycling and reusing construction waste has increased over the years. Considering the wide applications of concrete and the large consumption of coarse aggregates used in concrete on a global scale, using Recycled Aggregate (RA) in concrete is an environment-friendly and sustainable construction alternative. However, Recycled Aggregate Concrete (RAC) does not exhibit adequate structural performance due to its inferior material properties compared to those of Natural Aggregate Concrete (NAC). At present, RAC is restricted to limited structural use and is extensively used only in pavements and as shotcrete in tunnels. Some previous studies have shown that RAC with adequate structural performance can be produced using various techniques. In this study, the particular technique of adding another material, Steel Fibre (SF), is investigated. SF improves the mechanical performance of RAC and makes it suitable for structural applications, especially under flexural load. This research aims to replace NAC with RAC that incorporates SF. The use of the new material, Steel Fibre Reinforced Recycled Aggregate Concrete (SFRRAC), in fabricating structural members subjected to flexure is proposed to gain advantages in terms of environmental effects, production costs and structural properties. Structural members fabricated using a new material such as SFRRAC should be designed according to proper design models and guidelines. The current design guidelines are limited to NAC and cannot be directly applied to SFRRAC due to the change in the material properties. This research proposes a design model for SFRRAC beam cross-sections under flexure, developed using a reliability based framework consisting of the following four parts: (i) a new theoretical model development for predicting the moment-capacities of SFRRAC beam cross-sections; (ii) experimental investigation of SFRRAC specimens at material-level and member level; (iii) numerical investigation on SFRRAC beams using Finite Element Analysis (FEA); and (iv) capacity factor calibration for a SFRRAC flexural capacity prediction model using the theoretical predictions and the adaptively combined database of experimental and FEA results. Advisors/Committee Members: Western Sydney University. Centre for Infrastructure Engineering (Host institution).

Subjects/Keywords: aggregates (building materials); recycled products; Recycled Aggregate Concrete (RAC); Thesis (D.Ph.) – Western Sydney University, 2019; sustainable construction; structural stability

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Ramesh, R. (2019). Finite element model-based code calibration for design of steel fibre reinforced recycled aggregate concrete beams. (Thesis). Western Sydney University. Retrieved from http://hdl.handle.net/1959.7/uws:51885

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Ramesh, Rakul. “Finite element model-based code calibration for design of steel fibre reinforced recycled aggregate concrete beams.” 2019. Thesis, Western Sydney University. Accessed April 14, 2021. http://hdl.handle.net/1959.7/uws:51885.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Ramesh, Rakul. “Finite element model-based code calibration for design of steel fibre reinforced recycled aggregate concrete beams.” 2019. Web. 14 Apr 2021.

Vancouver:

Ramesh R. Finite element model-based code calibration for design of steel fibre reinforced recycled aggregate concrete beams. [Internet] [Thesis]. Western Sydney University; 2019. [cited 2021 Apr 14]. Available from: http://hdl.handle.net/1959.7/uws:51885.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Ramesh R. Finite element model-based code calibration for design of steel fibre reinforced recycled aggregate concrete beams. [Thesis]. Western Sydney University; 2019. Available from: http://hdl.handle.net/1959.7/uws:51885

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

27. Zhang, Yating. Assessment and Life-Cycle Analysis of Recycled Materials for Sustainable Highway.

Degree: Civil Engineering, 2016, University of Maryland

URL: http://hdl.handle.net/1903/18426

► Recycled materials replacing part of virgin materials in highway applications has shown great benefits to the society and environment. Beneficial use of recycled materials can… (more)

▼ Recycled materials replacing part of virgin materials in highway applications has shown great benefits to the society and environment. Beneficial use of recycled materials can save landfill places, sparse natural resources, and energy consumed in milling and hauling virgin materials. Low price of recycled materials is favorable to cost-saving in pavement projects. Considering the availability of recycled materials in the State of Maryland (MD), four abundant recycled materials, recycled concrete aggregate (RCA), recycled asphalt pavement (RAP), foundry sand (FS), and dredged materials (DM), were studied. A survey was conducted to collect the information of current usage of the four recycled materials in States’ Department of Transportation (DOTs). Based on literature review, mechanical and environmental properties, recommendations, and suggested test standards were investigated separately for the four recycled materials in different applications. Constrains in using these materials were further studied in order to provide recommendations for the development of related MD specifications. To measure social and environmental benefits from using recycled materials, life-cycle assessment was carried out with life-cycle analysis (LCA) program, PaLATE, and green highway rating system, BEST-in-Highway. The survey results indicated the wide use of RAP and RCA in hot mix asphalt (HMA) and graded aggregate base (GAB) respectively, while FS and DM are less used in field. Environmental concerns are less, but the possibly low quality and some adverse mechanical characteristics may hinder the widely use of these recycled materials. Technical documents and current specifications provided by State DOTs are good references to the usage of these materials in MD. Literature review showed consistent results with the survey. Studies from experimental research or site tests showed satisfactory performance of these materials in highway applications, when the substitution rate, gradation, temperature, moisture, or usage of additives, etc. meet some requirements. The results from LCA revealed significant cost savings in using recycled materials. Energy and water consumption, gas emission, and hazardous waste generation generally showed reductions to some degree. Use of new recycled technologies will contribute to more sustainable highways. Advisors/Committee Members: Goulias, Dimitrios G (advisor), Aydilek, Ahmet H (advisor).

Subjects/Keywords: Civil engineering; Dredged Materials; Foundry Sand; Life Cycle Analysis; Recycled Asphalt Pavement; Recycled Concrete Aggregate; Sustainable Highway

11 more images…

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Zhang, Y. (2016). Assessment and Life-Cycle Analysis of Recycled Materials for Sustainable Highway. (Thesis). University of Maryland. Retrieved from http://hdl.handle.net/1903/18426

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Zhang, Yating. “Assessment and Life-Cycle Analysis of Recycled Materials for Sustainable Highway.” 2016. Thesis, University of Maryland. Accessed April 14, 2021. http://hdl.handle.net/1903/18426.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Zhang, Yating. “Assessment and Life-Cycle Analysis of Recycled Materials for Sustainable Highway.” 2016. Web. 14 Apr 2021.

Vancouver:

Zhang Y. Assessment and Life-Cycle Analysis of Recycled Materials for Sustainable Highway. [Internet] [Thesis]. University of Maryland; 2016. [cited 2021 Apr 14]. Available from: http://hdl.handle.net/1903/18426.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Zhang Y. Assessment and Life-Cycle Analysis of Recycled Materials for Sustainable Highway. [Thesis]. University of Maryland; 2016. Available from: http://hdl.handle.net/1903/18426

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

28. Matos, Rafaela Schumacher de Campos. Avaliação do efeito da jigagem em diferentes faixas granulométricas sobre as características do agregado graúdo reciclado de RCD e as propriedades do concreto.

Degree: 2020, Brazil

URL: http://hdl.handle.net/10183/218200

►

A indústria da construção civil é grande consumidora de recursos naturais através da extração de matérias-primas não renováveis. Além disso, é responsável pela geração de… (more)

▼

A indústria da construção civil é grande consumidora de recursos naturais através da extração de matérias-primas não renováveis. Além disso, é responsável pela geração de Resíduos de Construção e Demolição (RCD), comumente descartados de forma inapropriada, resultando em grandes impactos ambientais. Por isso, torna-se necessária a busca de alternativas que diminuam esse impacto, visando à prática da sustentabilidade. Estudos vêm sendo realizados com o objetivo de viabilizar a reciclagem deste resíduo através da sua utilização como agregados na produção de novos concretos. Porém, suas elevadas porosidade e heterogeneidade provocam uma grande variação nas propriedades do agregado, agindo como restrições ao seu potencial aproveitamento, uma vez que os concretos produzidos com RCD apresentam características mecânicas também variáveis. Assim, a fim de melhorar a qualidade destes agregados, esse estudo se propôs a aprimorar a utilização do jigue a ar, equipamento utilizado na mineração que realiza separação densitária dos grãos, eliminando a variável do tamanho do grão na eficácia da separação por meio do peneiramento do material em pequenas faixas granulométricas, e testando o material gerado como agregado graúdo na produção de novos concretos. Para isso, foram moldados corpos de prova de concretos com três tipos de agregados graúdos reciclados (não jigado, jigado na granulometria completa e jigado em faixas granulométricas reduzidas), além de um concreto referência produzido com agregado graúdo natural (AGN). Com o objetivo de avaliar a relação entre o processamento do RCD e o desempenho dos concretos, foi realizada a caracterização dos agregados, ensaios mecânicos de resistência à compressão, módulo de elasticidade e absorção de água por capilaridade, buscando uma estimativa de durabilidade. Para uma maior confiabilidade, foi realizada uma análise estatística e comparativa dos resultados obtidos. Os ensaios de caracterização dos agregados mostraram que a jigagem é um método eficaz para a seleção dos agregados reciclados, aumentando valores de massa específica e reduzindo sua lamelaridade, resultados que foram ainda mais acentuados nos materiais jigados em faixas granulométricas menores. Ainda, o processamento dos materiais na granulometria completa apresentou uma melhora nas características mecânicas dos concretos em relação aos que foram produzidos com agregados não jigados, mas o peneiramento do RCD antes da jigagem apresentou vantagens do ponto de vista de sustentabilidade apenas para a produção de concretos com resistências até 20 MPa, sendo capaz de reduzir o consumo de cimento em relação aos concretos de mesma resistência produzidos com AGN. Para resistências acima dos 20 MPa, o peneiramento do RCD só se mostrou efetivo nos ensaios de absorção, reduzindo os valores e chegando mais perto dos resultados dos concretos produzidos com agregado natural, enquanto os acréscimos na resistência à compressão e no módulo de elasticidade em geral não se mostraram significativos.

The construction industry is a major consumer…

Advisors/Committee Members: Dal Molin, Denise Carpena Coitinho, Tubino, Rejane Maria Candiota.

Subjects/Keywords: Sustentabilidade; Resíduos da construção civil; Jigagem; Construction and demolition waste; Jigging; Recycled Coarse Aggregate; Recycled Concrete

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Matos, R. S. d. C. (2020). Avaliação do efeito da jigagem em diferentes faixas granulométricas sobre as características do agregado graúdo reciclado de RCD e as propriedades do concreto. (Masters Thesis). Brazil. Retrieved from http://hdl.handle.net/10183/218200

Chicago Manual of Style (16^th Edition):

Matos, Rafaela Schumacher de Campos. “Avaliação do efeito da jigagem em diferentes faixas granulométricas sobre as características do agregado graúdo reciclado de RCD e as propriedades do concreto.” 2020. Masters Thesis, Brazil. Accessed April 14, 2021. http://hdl.handle.net/10183/218200.

MLA Handbook (7^th Edition):

Matos, Rafaela Schumacher de Campos. “Avaliação do efeito da jigagem em diferentes faixas granulométricas sobre as características do agregado graúdo reciclado de RCD e as propriedades do concreto.” 2020. Web. 14 Apr 2021.

Vancouver:

Matos RSdC. Avaliação do efeito da jigagem em diferentes faixas granulométricas sobre as características do agregado graúdo reciclado de RCD e as propriedades do concreto. [Internet] [Masters thesis]. Brazil; 2020. [cited 2021 Apr 14]. Available from: http://hdl.handle.net/10183/218200.

Council of Science Editors:

Matos RSdC. Avaliação do efeito da jigagem em diferentes faixas granulométricas sobre as características do agregado graúdo reciclado de RCD e as propriedades do concreto. [Masters Thesis]. Brazil; 2020. Available from: http://hdl.handle.net/10183/218200

29. Ana Paula Werle. Determinação de propriedades de concretos com agregados reciclados de concreto, com ênfase na carbonatação.

Degree: 2010, Universidade do Vale do Rio do Sinos

URL: http://bdtd.unisinos.br/tde_busca/arquivo.php?codArquivo=1411

►

Grande parte das pesquisas com agregados provenientes da britagem de resíduos de construção e demolição (RCD) tem como foco principal o comportamento mecânico de concretos… (more)

▼

Grande parte das pesquisas com agregados provenientes da britagem de resíduos de construção e demolição (RCD) tem como foco principal o comportamento mecânico de concretos compostos com estes agregados. Este trabalho tem por objetivo o estudo das propriedades de concretos com agregados reciclados de concreto (ARC), abordando além das propriedades mecânicas de resistência à compressão e tração, questões relacionadas à durabilidade com ênfase na carbonatação. Para controlar as características do concreto reciclado, estes foram produzidos em laboratório com as seguintes resistências 18, 37 e 50 MPa, com o intuito de resultar em três agregados com porosidades distintas. Após 63 dias de cura submersa, este concreto foi britado e empregado como substituição parcial do agregado natural (AN) em um novo concreto que, por sua vez, foi moldado com uma relação água/aglomerante de 0,64. O ARC foi empregado em substituição ao AN em diversos teores (0, 25, 50, 75 e 100%). Previamente ao emprego, o ARC foi pré-molhado com teores de 0, 25, 50, 75 e 100% da água relativa à absorção total do resíduo. Para a verificação da durabilidade deste novo concreto quando exposto ao CO2, empregou-se o ensaio acelerado de carbonatação, realizado em câmara de alimentação contínua com atmosfera de 1% de concentração de CO2 e umidade relativa de 70% 5%, na qual os concretos permaneceram durante 147 dias. Os resultados obtidos a partir da leitura da profundidade carbonatada nas idades estudadas apresentam um comportamento semelhante tanto para os concretos de referência, quanto para os concretos que incorporam ARC. Somente para concretos que incorporam um alto percentual de substituição nota-se um ligeiro aumento da profundidade de carbonatação em relação aos concretos de referência. Com base nestes resultados pode-se inferir que até um percentual de 50% de substituição do AN por ARC com qualquer teor de pré-molhagem, a profundidade de carbonatação observada é a mesma para concretos com ARC e concretos de referência.

Much of the research with aggregates from crushing of construction and demolition waste (CDW) has focused primarily on the mechanical behavior of concrete made with these aggregates. This research aims at to study the properties of concrete made with recycled concrete aggregates (RCA), besides addressing the mechanical properties, the durability issues will be focused on the carbonation. To control the characteristics of recycled aggregate, they were produced in the laboratory with the water/cement ratios: 0,85, 0,56 and 0,43, in order to result in three types of aggregates with different porosities. After 63 days of curing under water, the concrete was crushed and used as partial replacement of natural aggregate (NA) in a new concrete which was made with a water/cement ratio of 0,64. The RCA was used to replace the NA at various levels of 0, 25, 50, 75 and 100%. Prior to employ the RCA, it has been pre-wetted with levels of 0, 25, 50, 75 and 100% of water absorption on the total residue. To check the durability of the new concrete…

Advisors/Committee Members: Claudio de Souza Kazmierczak, Marlova Piva Kulakowski.

Subjects/Keywords: concretos compostos; agregado reciclado de concreto; carbonatação; recycled concrete aggregate; carbonation; ENGENHARIA CIVIL

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Werle, A. P. (2010). Determinação de propriedades de concretos com agregados reciclados de concreto, com ênfase na carbonatação. (Thesis). Universidade do Vale do Rio do Sinos. Retrieved from http://bdtd.unisinos.br/tde_busca/arquivo.php?codArquivo=1411

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Werle, Ana Paula. “Determinação de propriedades de concretos com agregados reciclados de concreto, com ênfase na carbonatação.” 2010. Thesis, Universidade do Vale do Rio do Sinos. Accessed April 14, 2021. http://bdtd.unisinos.br/tde_busca/arquivo.php?codArquivo=1411.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Werle, Ana Paula. “Determinação de propriedades de concretos com agregados reciclados de concreto, com ênfase na carbonatação.” 2010. Web. 14 Apr 2021.

Vancouver:

Werle AP. Determinação de propriedades de concretos com agregados reciclados de concreto, com ênfase na carbonatação. [Internet] [Thesis]. Universidade do Vale do Rio do Sinos; 2010. [cited 2021 Apr 14]. Available from: http://bdtd.unisinos.br/tde_busca/arquivo.php?codArquivo=1411.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Werle AP. Determinação de propriedades de concretos com agregados reciclados de concreto, com ênfase na carbonatação. [Thesis]. Universidade do Vale do Rio do Sinos; 2010. Available from: http://bdtd.unisinos.br/tde_busca/arquivo.php?codArquivo=1411

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

30. Alessandra Pacheco Cavalheiro. Contribuição para a implementação de agregado reciclado de concreto em uma empresa de pré-fabricados de concreto.

Degree: 2011, Universidade do Vale do Rio do Sinos

URL: http://bdtd.unisinos.br/tde_busca/arquivo.php?codArquivo=1868

►

A utilização do concreto reciclado oriundo do beneficiamento do resíduo de construção e demolição (RCD), em substituição a agregados naturais pode ser transformado em um… (more)

▼

A utilização do concreto reciclado oriundo do beneficiamento do resíduo de construção e demolição (RCD), em substituição a agregados naturais pode ser transformado em um co-produto, além de permitir a preservação de fontes naturais de extração e redução de locais de disposição do resíduo. Dentre os diversos materiais que constituem os RCD, uma forte opção para a reciclagem é a utilização do resíduo de concreto oriundo da demolição de construções, rejeitos de concreteiras e indústrias de pré-fabricados, pois estes materiais apresentam homogeneidade e presença insignificante de contaminantes quando comparados aos demais resíduos de construção e demolição. Com o objetivo de avaliar a implementação de uso de agregado reciclado de concreto (ARC) na fabricação de peças em uma empresa de pré-fabricados de concreto, foi realizado um diagnóstico da geração de resíduos na empresa; a caracterização das propriedades dos resíduos de concreto com maior potencial de reciclagem; e a produção de concretos com ARC, em um estudo de caso. Dois tipos de resíduos, RCC - oriundo de cura convencional (ao ar) e RCT - oriundo de cura a vapor, foram coletados e cominuídos na forma de agregado graúdo a fim de se verificar as eventuais alterações em suas propriedades. Os concretos com ARC foram produzidos, tanto no laboratório quanto na indústria, com CPV-ARI, aditivo superplastificante, cinza volante, substituição de 50% dos agregados naturais graúdos pelo ARC; adição de água de compensação à mistura e relação a/agl 0,49; e determinadas a consistência, a resistência à compressão e a absorção de água por capilaridade. O estudo desenvolvido na empresa de pré-fabricados demonstrou que, de maneira geral, os agregados gerados a partir do RCC e do RCT apresentam diferenças entre si, devido ao tipo de cura realizada nos concretos de origem; que os concretos produzidos com ARCC apresentam características iguais ou superiores em relação ao concreto de referência, enquanto os produzidos com ARCT possuem desempenho inferior ao mesmo, e que a reciclagem dos resíduos na própria empresa geradora, se não for encarada como uma ação estratégica para a empresa, possivelmente será descartada, em função das dificuldades relacionadas com a implementação do processo de reciclagem

The use of recycled concrete coming from the processing of construction and demolition waste (CDW) in replacement of natural aggregates makes it a co-product, and allows the preservation of natural sources of extraction and reduces the need for waste disposal . Among several materials that constitute the CDW, a strong option for recycling is the use of waste arising from demolition of concrete buildings, concrete mixe producers and precast industrial waste, This option that is because these materials have negligible homogeneity and presence of contaminants compared to the other construction and demolition waste. In order to evaluate the possibility of using recycled concrete aggregate (RCA) for the manufacture of parts in a company of precast concrete, was made a diagnosis of waste…

Advisors/Committee Members: Claudio de Souza Kazmierczak.

Subjects/Keywords: agregado reciclado de concreto; reciclagem; pré-fabricados; recycled concrete aggregate; recycling; precast; ENGENHARIA CIVIL

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Cavalheiro, A. P. (2011). Contribuição para a implementação de agregado reciclado de concreto em uma empresa de pré-fabricados de concreto. (Thesis). Universidade do Vale do Rio do Sinos. Retrieved from http://bdtd.unisinos.br/tde_busca/arquivo.php?codArquivo=1868

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Cavalheiro, Alessandra Pacheco. “Contribuição para a implementação de agregado reciclado de concreto em uma empresa de pré-fabricados de concreto.” 2011. Thesis, Universidade do Vale do Rio do Sinos. Accessed April 14, 2021. http://bdtd.unisinos.br/tde_busca/arquivo.php?codArquivo=1868.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Cavalheiro, Alessandra Pacheco. “Contribuição para a implementação de agregado reciclado de concreto em uma empresa de pré-fabricados de concreto.” 2011. Web. 14 Apr 2021.

Vancouver:

Cavalheiro AP. Contribuição para a implementação de agregado reciclado de concreto em uma empresa de pré-fabricados de concreto. [Internet] [Thesis]. Universidade do Vale do Rio do Sinos; 2011. [cited 2021 Apr 14]. Available from: http://bdtd.unisinos.br/tde_busca/arquivo.php?codArquivo=1868.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Cavalheiro AP. Contribuição para a implementação de agregado reciclado de concreto em uma empresa de pré-fabricados de concreto. [Thesis]. Universidade do Vale do Rio do Sinos; 2011. Available from: http://bdtd.unisinos.br/tde_busca/arquivo.php?codArquivo=1868

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Open Access Theses and Dissertations