Proposal of a simplified criterion to estimate second order global effects in reinforced concrete buildings

  • CUNHA R
  • MENDES L
  • AMORIM D
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Abstract

Abstract This work proposes a new simplified parameter for the calculation of second order global effects, based on the Galerkin’s Method by Weighted Residuals. The proposed criterion was analysed based on 21 planar frames associated with shear wall, reaching results that present satisfactory accuracy compared to the second order global analysis, even for cases where the γz coefficient is greater than 1.30.Resumo Neste trabalho propõe-se um novo parâmetro simplificado para o cálculo dos efeitos globais de segunda ordem, a partir do Método de Galerkin via Resíduos Ponderados. O critério proposto foi analisado com base em 21 pórticos planos associados a pilar-parede, alcançando resultados que apresentam acurácia satisfatória com relação à análise global de segunda ordem, mesmo para os casos em que o coeficiente γz é superior a 1,30.

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APA

CUNHA, R. N., MENDES, L. A., & AMORIM, D. L. N. F. (2020). Proposal of a simplified criterion to estimate second order global effects in reinforced concrete buildings. Revista IBRACON de Estruturas e Materiais, 13(2), 200–211. https://doi.org/10.1590/s1983-41952020000200002

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