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Numerical simulation of composite slabs with steel deck under fire conditions

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Resumo:A composite steel-concrete slab consists of a concrete topping cast on the top of a profiled steel deck. Normally, the concrete is reinforced with an anti-crack mesh positioned on the upper part and individual reinforcing bars placed within the ribs, see Figure 1. The steel deck acts as a permanent formwork and the composite action between the steel and concrete is generally achieved by indentations or embossments in the steel deck. Due to the reinforcement provided by the steel deck, composite slabs are generally slenderer and more efficient than flat concrete slabs because require less additional reinforcement and less concrete as well. The reduction of the construction time, simplicity of installation and reduction/elimination of struts are other advantages of composite slabs that should be highlighted.
Autores principais:Balsa, Carlos
Outros Autores:Ribeiro, Fernando; Piloto, P.A.G.; Rigobello, Ronaldo
Assunto:Composite slabs Fire resistance Insulation criterion Numerical simulation
Ano:2019
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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