Modelagem do comportamento dinâmico de edifícios mistos (aço-concreto) submetidos à ação do vento. / Modeling of the dynamic behaviour of steel-concrete composite buildings submited to wind actions.

AUTOR(ES)

Rafael Rangel Barboza

FONTE

IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia

DATA DE PUBLICAÇÃO

04/05/2012

RESUMO

Based on a favorable economic scenario and technological advances of material sciences and construction processes, in the last three decades, the Brazilian cities have presented a substantial growth, with respect to construction of residential and commercial multi-storey buildings. Nowadays, these buildings present greater slenderness and have been constructed with increasingly daring structures that encompass the experience and knowledge of structural designers by using newly developed materials and technologies boosted by the ever-growing investigations on this field. As the structural designer main objective is related to produce increasingly lighter structures its conception requires a substantial amount of theoretical knowledge associated to structural design and construction processes, in order to make compatible the requirements of architecture with the necessary conditions to the stability. Considering all aspects mentioned before, the objective of this master dissertation is to investigate the structural behavior of a 20 floors steel-concrete composite building, based on static and dynamic analyses (linear and nonlinear). The present study has considered the results of a linear-elastic and non-linear geometric analysis for serviceability actions. The structural behavior of a 20 floors steel-concrete composite building under dynamic actions induced by the wind was also investigated. As a result, it must be emphasized that these buildings deserve special attention from the architectural and structural design and its behavior should be verified by methods including a full static and dynamic analysis (linear and non-linear).

ASSUNTO(S)

edifícios esbeltos análise não linear comportamento estrutural engenharia civil slender steel-concrete composite buildings non-linear analysis structural behavior

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