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Nonlinear finite element analysis of reinforced concrete shear walls
ABSTRACT: This paper deals with a fundamental issue for tall buildings safety: the structural analysis of reinforced concrete shear-walls that resist lateral loads. For two shear walls (simple planar and U-shaped), the results determined according to the Brazilian design code approximate procedure (NBR-6118:2014) and the grid method (CAD/TQS), presented in the literature, are compared with material and geometrically nonlinear finite shell element analysis (NL-FEA), performed by the software VecTor 4, based on the modified compression field theory (MCFT). In both cases NL-FEA analyses, besides the large computational cost, it was observed the significant influence of stress redistribution, and the Saint-Venant’s principle, on the vertical normal stresses, and the consequent smoothing of the second order localized effects on the shear walls.
Nonlinear finite element analysis of reinforced concrete shear walls
ABSTRACT: This paper deals with a fundamental issue for tall buildings safety: the structural analysis of reinforced concrete shear-walls that resist lateral loads. For two shear walls (simple planar and U-shaped), the results determined according to the Brazilian design code approximate procedure (NBR-6118:2014) and the grid method (CAD/TQS), presented in the literature, are compared with material and geometrically nonlinear finite shell element analysis (NL-FEA), performed by the software VecTor 4, based on the modified compression field theory (MCFT). In both cases NL-FEA analyses, besides the large computational cost, it was observed the significant influence of stress redistribution, and the Saint-Venant’s principle, on the vertical normal stresses, and the consequent smoothing of the second order localized effects on the shear walls.
Nonlinear finite element analysis of reinforced concrete shear walls
Jordlly Reydson de Barros Silva (author) / Bernardo Horowitz (author)
2020
Article (Journal)
Electronic Resource
Unknown
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