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Pontifical Catholic University of Rio de Janeiro

1. JAQUELINE PASSAMANI ZUBELLI GUIMARAES. [en] EXPERIMENTAL STUDY OF HIGH PERFORMANCE CONCRETE PROPERTIES.

Degree: 2003, Pontifical Catholic University of Rio de Janeiro

[pt] Projetos estruturais que empregam concretos com resistências mais elevadas, ou seja, maiores que 40 MPa, nomeados Concretos de Alto Desempenho, são cada vez mais freqüentemente utilizados. Sabe-se, entretanto, que as propriedades destes concretos são diferenciadas daquelas dos concretos considerados convencionais, necessitando-se estudos que visem, principalmente, mensurar a realidade dentro dos materiais disponíveis em nosso país. Este trabalho experimental estuda as principais propriedades deste material: resistência à compressão, resistência à tração por compressão diametral, Módulo de Elasticidade e permeabilidade, através da determinação do índice de vazios. Após um estudo sobre métodos de dosagem mais utilizados e empregando-se materiais disponíveis no Rio de Janeiro, foram moldados um total de 230 corpos de prova para resistências características à compressão de 40MPa, 60 MPa, 80 MPa e 100 MPa. Foi realizado um estudo sobre compatibilidade entre superplastificante e aglomerante. Com os dados obtidos experimentalmente, foram relacionados resistências à tração por compressão diametral, módulo de elasticidade e porosidade com resistência à compressão axial. Estes resultados foram comparados com as recomendações das principais normas internacionais e com as propostas de alguns pesquisadores que foram encontradas na literatura.

[en] High Performance Concrete, i.e., those whose compressive strength is higher than 40 Mpa, have been used in a wide range of Civil Engineering applications. Notwithstanding that, it is known that their mechanical and physical properties are different from those of their conventional counterparts. In this dissertation, it is studied mixture proportion methods with good acceptance rate, preparing 230 specimens with materials available in Brazil s state of Rio de Janeiro and that have compressive strength of 40 MPa, 60MPa, 80 MPa and 100 MPa. For each prepared specimen, it is studied its mechanical properties, compressive strength, splitting tensile strength, modulus of elasticity and porosity for the determination of the emptiness ratio. It is also studied the compatibility between superplasticizer and cement materials. It is also performed a comparison between the experimental data and the expressions available in the literature, as well as the relation between the compressive strength, splitting tensile strength, modulus of elasticity and the porosity.

Advisors/Committee Members: MARTA DE SOUZA LIMA VELASCO.

Subjects/Keywords: [pt] CONCRETO DE ALTO DESEMPENHO; [en] HIGH PERFORMANCE CONCRETE; [pt] PROPRIEDADES MECANICAS; [en] MECHANICAL PROPERTIES; [pt] MODULOS DE ELASTICIDADE; [en] MODULUS OF ELASTICITY; [pt] DOSAGEM; [en] MIX PROPORTIONS; [pt] RESISTENCIA A COMPRESSAO; [en] COMPRESSIVE STRENGTH; [pt] RESISTENCIA A TRACAO; [en] TENSILE STRENGTH; [pt] POROSIDADE; [en] POROSITY

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APA (6th Edition):

GUIMARAES, J. P. Z. (2003). [en] EXPERIMENTAL STUDY OF HIGH PERFORMANCE CONCRETE PROPERTIES. (Thesis). Pontifical Catholic University of Rio de Janeiro. Retrieved from http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=3937

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):

GUIMARAES, JAQUELINE PASSAMANI ZUBELLI. “[en] EXPERIMENTAL STUDY OF HIGH PERFORMANCE CONCRETE PROPERTIES.” 2003. Thesis, Pontifical Catholic University of Rio de Janeiro. Accessed September 20, 2020. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=3937.

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

MLA Handbook (7th Edition):

GUIMARAES, JAQUELINE PASSAMANI ZUBELLI. “[en] EXPERIMENTAL STUDY OF HIGH PERFORMANCE CONCRETE PROPERTIES.” 2003. Web. 20 Sep 2020.

Vancouver:

GUIMARAES JPZ. [en] EXPERIMENTAL STUDY OF HIGH PERFORMANCE CONCRETE PROPERTIES. [Internet] [Thesis]. Pontifical Catholic University of Rio de Janeiro; 2003. [cited 2020 Sep 20]. Available from: http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=3937.

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

Council of Science Editors:

GUIMARAES JPZ. [en] EXPERIMENTAL STUDY OF HIGH PERFORMANCE CONCRETE PROPERTIES. [Thesis]. Pontifical Catholic University of Rio de Janeiro; 2003. Available from: http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=3937

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

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