Verificação de pilares de aço à flexão composta considerando comprimentos de flambagem, forças horizontais fictícias e análise avançada. / Design of steel columns to bending and compression using effective length, notional loads and advanced analysis approaches.

AUTOR(ES)

Henrique Campelo Gomes

DATA DE PUBLICAÇÃO

2005

RESUMO

This work discusses the main philosophies used to verify columns subjected to bending and compression in steel frames as well as the standards which recommend them. The effective length and notional loads approaches and the advanced analysis concept are discussed too. It is proposed a methodology of advanced analysis based on shell finite elements that accounts for the effects of residual stresses, geometric imperfections and geometric and material non-linearity. It is presented, at the end of the text, samples for the comparison of the several methodologies discussed throughout this work.

ASSUNTO(S)

effective length análise avançada steel frames flambagem advanced analysis notional loads forças horizontais fictícias flexo-compressão estabilidade

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