Global stability of buildings’ structural systems considering beam-wall connections

  • Carlos Wilson da Silva Diniz Universidade Federal de Alagoas
  • Eduardo Nobre Lages Universidade Federal de Alagoas
  • Aline da Silva Ramos Barboza Universidade Federal de Alagoas

Abstract

Several factors influence the stability of concrete structures, such as building height, structural components’ rigidity, bracing system, beam-wall connection rigidity, among others. Global structural stability is evaluated according to NBR 6118/2014 by the α e γz parameters. This article aims to evaluate the global structural stability concrete structures considering the eccentricity of the beam-wall connections. With the aid of software Abaqus© and TQS©, reticulated models were analyzed to evaluate the contribution of the eccentricity of the beam-wall connections on the global stability and the rigidity of the connections. The geometric nonlinear effects were disregarded in these analyses. The stability parameters from NBR6118/2014 were evaluated in the frame models, as well as the flexibilization criteria from the TQS© software, LEPMOL e REDMOL. The results of the displacement analysis show an increase of 26.45%, comparing the centered connection to the more eccentric connection.

Author Biographies

Carlos Wilson da Silva Diniz, Universidade Federal de Alagoas
Superintendência de Infraestrutura
Eduardo Nobre Lages, Universidade Federal de Alagoas
Centro de Tecnologia Programa de Pós-Graduação em Engenharia Civil Laboratório de Computação Científica e Visualização
Aline da Silva Ramos Barboza, Universidade Federal de Alagoas
Centro de Tecnologia Programa de Pós-Graduação em Engenharia Civil Laboratório de Computação Científica e Visualização
Published
2019-03-20
Section
Artigos