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2nd World Congress and Exhibition on Construction and Steel Structure

Las Vegas, USA

Robert Y Xiao

Robert Y Xiao

London South Bank University
UK

Title: Modelling of Composite Deformed Steel Decking Floor under Fire

Biography

Biography: Robert Y Xiao

Abstract

Steel structures are very critical when subjected to fire. This has been reflected in some recent engineering failures. It is even more critical for composite decking floor with openings which are quite common for commercial and hospital buildings. Numerical simulation of the thermal and structural performance of composite steel-decking flooring system will be discussed in this paper. In the research, a 3-D Finite Element Method (FEM) model has been developed to simulate the time dependent temperature distribution within the concrete slab and steel decking sections by using the non-linear finite element program, ANSYS package. The composite floor has been modelled with exposure to the ISO834 standard fire for over two hours using transient, non-linear thermal analysis. A comparison between the numerical results and experimental results obtained from the fire test conducted were carried out which has shown a very close agreement. The validation has allowed the FE model to be used for an in-depth assessment on the fire performance of composite steel decking floor under the elevated temperatures. The research has shown that fire performance of composite metal decking could be superior to the traditional steel with concrete slabs system.