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Title: Performance-based analysis of large steel truss roof structure in fire
Authors: Lu, L
Yuan, G
Huang, Z
Shu, Q
Li, Q
Keywords: Performance-based;Fire-resistance;Large steel truss structure;Fire scenario;Local cooling;Structural behaviour
Issue Date: 2017
Citation: Fire Safety Journal, 2017, 93 pp. 21 - 38 (18)
Abstract: Due to the fast developments of large-space multi-functional architectures, large-span steel structures have been widely used in recent years. Therefore, the fire-resistance design of this kind of structures has attracted more attentions. Since traditional ISO834 standard fire curve is not suitable for large space structures, performance-based fire resistance design method is required. This paper presents the comprehensive case studies on the fire performance of a large space exhibition centre in Shanxi province, China under real fire scenarios including heating and cooling phases. The non-uniform fire temperature fields of the large space exhibition centre for the designed fire scenarios have been generated by using Fire Dynamic Simulator (FDS). A finite element (FE) model has been developed using FE software ANSYS for modelling the structural behaviour of the exhibition centre under different fire scenarios. Based on the results generated in this research some recommendations for the fire resistance design of large space steel truss structures have been proposed.
ISSN: 0379-7112
Appears in Collections:Dept of Mechanical Aerospace and Civil Engineering Research Papers

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