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Silva, Valdir; Costa, C. Directions of the new Brazilian standard NBR 15200:2004 for concrete structures design in fire conditions: a comparative analysis to NBR 6118:2003. Ibracon Structural Journal, Sao Paulo, v. 2, n.1, p. 187-21, 2006.
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Número de Trabalhos: 2 (Nenhum com arquivo PDF disponível)
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Dados do autor na base InfoHab:
Número de Trabalhos: 2 (Nenhum com arquivo PDF disponível)
Citações: Nenhuma citação encontrada
Índice h: Indice h não calculado  
Co-autores: Nenhum co-autor encontrado

Abstract

Concrete structures must assure the load-bearing capacity to allow the evacuation of the users and the fire fight in safety, and to minimize the flame spread to the adjacent compartments of the building or neighboring buildings. Specific standards to fire design of concrete structures are usual in developed countries, where the structural members are designed based on the widely known “tabular method”; minimal dimensions of the cross-section of the members and the reinforcement cover are established as a function of fire resistance measured by the time of the standard fire or standard curve. At the end of 2004, the Brazilian standard NBR 15200:2004 – “Projeto de estruturas de concreto em situação de incêndio – Procedimento” (Fire design of concrete structures – Procedures), completing the standardization for the design of concrete structures in Brazil. The understanding and applying of the new standard require the prior knowledge of the new concepts about reliability and technical terms proper of the structural engineering in fire situation. This paper aims to present the directions of the fire design of concrete structures and the comparing analysis between the minimal dimensions established for the concrete members proposed by the new NBR 15200:2004 for fire design and the NBR 6118:2003 for design at room temperature.
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