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Texas A&M University

1. Neshvadian Bakhsh, Keivan. Performance Based Mechanistic-Empirical Approach to Assess Joint Sealant Effectiveness on Sustainability of Concrete Pavement Infrastructure.

Degree: 2014, Texas A&M University

The primary purpose of sealing joints in rigid pavement is to prevent or reduce the amount of water infiltrating into pavement structure. It is well accepted that the presence of moisture in a pavement structure is a contributor to a variety of governing distress types that eventually deteriorates the pavement structure and decreases the pavement service life. Effectiveness of joint sealants to protect jointed concrete pavement against water related distresses has been a focus of great interest recently. An experimental program was carried out on the Riverside Campus of Texas A&M University to study the effectiveness of different sealant types to limit drainage related infiltration of the joint under different joint openings and bonding conditions. Results confirmed that if joint seals are properly installed, they can be very effective in preventing moisture infiltration. Unsealed joints had significantly higher flow rates compared to joints with damaged sealants. The test results in this study have also demonstrated the effect of sealant proper installation on performance. Using experimental data the actual number of wet days was defined and analyzed. A faulting prediction model was developed. The erosion resistance of materials, number of wet days and traffic load were precisely defined and considered in this model. The mechanistic empirical model presented in this dissertation can effectively analyze the faulting and erosion in jointed concrete pavements. The model is capable to be calibrated for local conditions as a distinct advantage over other faulting models. The model was successfully implemented and calibrated into a computerized format. Results show that the model fits well with the field data and can be implemented for design and maintenance management purposes. By using the model the effectiveness of sealant in pavement sustainability can be determined. The most valuable outcome of this study is the demonstration mechanistically of the role of joint sealing on service life of jointed concrete pavements. Sealants, by limiting water infiltration into the pavement sublayers, can greatly improve concrete pavement performance. Advisors/Committee Members: Zollinger, Dan (advisor), Lytton, Robert (committee member), Little, Dallas (committee member), Herbert, Bruce (committee member).

Subjects/Keywords: Pavement Infrastructure; Pavement Sustainability; Concrete Pavement; Pavement Performance; Pavement Materials; Pavement Mechanistic Empirical Modeling; Sealant Effectiveness; Joint Sealant; Seal/no Seal; Infiltration Test; Flow Test; Sealant Adhesive Failure; Sealant Installation; Subbase Erosion; Subgrade Erosion; Pavement Drainage; Faulting Mechanism; Faulting Damage Modeling; Faulting Distress; Hamburg Erosion Test; Pavement Interface Shear Stress; Pavement Interface Shear Strength; Pavement Management Performance Modeling; Infrastructure Managment

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

APA (6th Edition):

Neshvadian Bakhsh, K. (2014). Performance Based Mechanistic-Empirical Approach to Assess Joint Sealant Effectiveness on Sustainability of Concrete Pavement Infrastructure. (Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/153575

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

Chicago Manual of Style (16th Edition):

Neshvadian Bakhsh, Keivan. “Performance Based Mechanistic-Empirical Approach to Assess Joint Sealant Effectiveness on Sustainability of Concrete Pavement Infrastructure.” 2014. Thesis, Texas A&M University. Accessed November 19, 2017. http://hdl.handle.net/1969.1/153575.

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

MLA Handbook (7th Edition):

Neshvadian Bakhsh, Keivan. “Performance Based Mechanistic-Empirical Approach to Assess Joint Sealant Effectiveness on Sustainability of Concrete Pavement Infrastructure.” 2014. Web. 19 Nov 2017.

Vancouver:

Neshvadian Bakhsh K. Performance Based Mechanistic-Empirical Approach to Assess Joint Sealant Effectiveness on Sustainability of Concrete Pavement Infrastructure. [Internet] [Thesis]. Texas A&M University; 2014. [cited 2017 Nov 19]. Available from: http://hdl.handle.net/1969.1/153575.

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

Council of Science Editors:

Neshvadian Bakhsh K. Performance Based Mechanistic-Empirical Approach to Assess Joint Sealant Effectiveness on Sustainability of Concrete Pavement Infrastructure. [Thesis]. Texas A&M University; 2014. Available from: http://hdl.handle.net/1969.1/153575

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

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