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Non-linear carrying capacity of asymmetric three-dimensional braced steel frames

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Detalhes bibliográficos
Resumo:Non-linear P-delta behaviour of three-dimensional frames with irregular plant geometry is studied, using a parametric variation of geometry and stiffness formerly chosen, by comparing results obtained with author’s developed software and with established commercial software. Using the exact total stiffness formulation of nonlinear geometric analyses in the developed software, allows surveying its degree of precision in selected calibration examples, as compared to the exact analytical results as well as to commercial software results. A parametric study of the critical load factor of asymmetric three-dimensional frames, un-braced and braced, permits to characterize their carrying capacity with respect to overall structural stability.
Autores principais:Barros, Rui
Outros Autores:Braz-César, Manuel
Assunto:Instabilidade Análise não-linear Non-linear geometric structural analysis Stability of asymmetric three dimensional frames Bracing of structures
Ano:2004
País:Portugal
Tipo de documento:comunicação em conferência
Tipo de acesso:acesso aberto
Instituição associada:Instituto Politécnico de Bragança
Idioma:inglês
Origem:Biblioteca Digital do IPB

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