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Título: Non-linear carrying capacity of asymmetric three-dimensional braced steel frames
Autor: Barros, R.C.
Braz César, M.T.
Palavras-chave: Instabilidade
Análise não-linear
Non-linear geometric structural analysis
Stability of asymmetric three dimensional frames
Bracing of structures
Issue Date: 2004
Editora: Civil-Comp Press
Citação: Barros, R.C.; Braz César, M.T. (2004) - Non-linear carrying capacity of asymmetric three-dimensional braced steel frames. In 7th International Conference on Computational Structures Technology. Lisbon.
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.
Appears in Collections:DMA - Artigos em Proceedings Não Indexados ao ISI/Scopus

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