Thermal Shielding in Continuous Span Composite Slabs

by Kees Both, Eindhoven Univ of Technology, Eindhoven, Netherlands,
Jan W. B. Stark, Eindhoven Univ of Technology, Eindhoven, Netherlands,
Leen Twilt, Eindhoven Univ of Technology, Eindhoven, Netherlands,



Document Type: Proceeding Paper

Part of: Composite Construction in Steel and Concrete II

Abstract: The increasing popularity in Europe of composite slabs with cold-formed steel decking has underscored the need to improve calculation rules for the fire resistance. Existing rules have some drawbacks; they especially do not cover the full range of application. Thus a joint research project, co-sponsored by the ECSC (European Community for Steel and Coal), was started, in which TNO and the Eindhoven University of Technology carried out experimental and numerical investigations. The aim of the project is to increase insight in the behaviour of fire-exposed composite slabs and the development of numerical models. This will enable the improvement and extension of presently available simple calculation rules. The paper concentrates on one aspect of the research project: the behaviour of fire-exposed continuous span composite slabs. In particular, the influence of thermal shielding near intermediate supports is discussed.

Subject Headings: Slabs | Composite materials | Thermal effects | Fire resistance | Composite structures | Load and resistance factor design | Steel decks | Numerical analysis | Cold-formed steel | Europe

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