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Master's Dissertation
DOI
https://doi.org/10.11606/D.18.2018.tde-02052018-091127
Document
Author
Full name
Claudio Augusto Tomazela
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 1995
Supervisor
Committee
Corrêa, Márcio Roberto Silva (President)
Franco, Luiz Sérgio
Pinheiro, Libânio Miranda
Title in Portuguese
Ação conjunta parede-viga na alvenaria estrutural
Keywords in Portuguese
Alvenaria estrutural
Método dos elementos finitos
Abstract in Portuguese
Neste trabalho apresenta-se um estudo teórico sobre alvenaria estrutural, utilizando-se o método dos elementos finitos. A finalidade principal é mostrar o comportamento estrutural de uma parede de alvenaria apoiada sobre viga de concreto armado e solicitada por ações verticais. Evidencia-se o fenômeno do efeito arco que ocorre na base da parede e os principais parâmetros que o governam. É estudada a contribuição de rigidez da parede e da viga no comportamento estrutural, destacando-se as principais variáveis envolvidas no desenvolvimento do projeto do conjunto parede-viga. São discutidas as teorias mais importantes para as análises dessas estrutura, que permitem quantificar as tensões na parede e os esforços solicitantes na viga, ressaltando-se as suas limitações e vantagens. Vários exemplos numéricos são apresentados, mostrando as curvas isotensões para a parede e os esforços solicitantes para a viga, obtidos das análises em elementos finitos. Finalmente são apresentadas as conclusões do trabalho e as sugestões para pesquisas a serem desenvolvidas, dando continuidade a este trabalho.
Title in English
not available
Keywords in English
Finite element method
Structural masonry
Abstract in English
In this dissertation is presented a theoretical study about structural masonry, applying the finite element method. The main purpose is to show the structural behavior of masonry walls supported by reinforced concrete beam and subjected to vertical loads. It is evidenced the phenomenon of arch effect, that occurs in the basis of the wall, and the main standards governing it. It is studied the contribution of the stiffness of the wall and the beam in the structural behavior, emphasizing the main parameters involved in the development of the project of wall-beam system models. The more important theories in the analysis of these structures are discussed, permitting to quantify the stresses in the wall, and the internal efforts in the beam, sticking out their limitations and advantages. Several numerical examples are presented, showing the same tension lines for the wall and the internal efforts for the beam, both obtained with the finite element analysis. Finally is presented the conclusion of this work, and the suggestions for further researches to be developed, giving sequence to this dissertation.
 
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Publishing Date
2018-05-02
 
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