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Master's Dissertation
DOI
https://doi.org/10.11606/D.18.2016.tde-25082016-161453
Document
Author
Full name
Paulo Gustavo Cavalcante Lins
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 1996
Supervisor
Committee
Celestino, Tarcísio Barreto (President)
Hachich, Waldemar Coelho
Proença, Sérgio Persival Baroncini
Title in Portuguese
Considerações sobre a aplicação do método dos elementos finitos à análise de estabilidade de taludes
Keywords in Portuguese
Estabilidade
Fator de segurança
Método dos elementos finitos
Taludes
Abstract in Portuguese
O presente trabalho apresenta um estudo sobre o cálculo dos fatores de segurança de taludes utilizando o campo de tensões obtido pelo método dos elementos finitos. São discutidas diferentes definições para o fator de segurança global do maciço. Considerações sobre a definição do fator de segurança, em termos de deslocamentos, também são traçadas. Foi desenvolvido um pós-processador gráfico, para a visualização dos resultados das análises por elementos finitos. Estudos de um talude estável e de um caso de ruptura foram realizados. Os fatores de segurança obtidos mostraram-se coerentes com os resultados dos métodos de equilíbrio limite convencionais. No caso do talude estável, a influência da deformabilidade relativa do maciço foi analisada.
Title in English
Considerations on application of finite element method to slope stability analysis
Keywords in English
Finite element method
Safety factor
Slope
Stability
Abstract in English
The present work shows a study about computation of slope stability safety factors using stress fields generated by finite element method analysis. Differents definitions of the global safety factor are discussed. Considerations about the definition of the safety factor in terms of nodal displacements are addressed too. A graphical software for visualizing the results of finite element method analysis was developed for this study. Studys of a stable slope and a failure case are performed. Safety factors values were both consistent with results of conventional limit equilibrium methods. Influence of relative deformability is analyzed in the stable case.
 
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Publishing Date
2016-08-25
 
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