Structural performance of long-span composite truss and beam systems in fire

S Choi, I Burgess, R Plank

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

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Abstract

Composite truss and composite beam systems have recently been widely applied in long-span multi-storey floor construction. In a fire resistance design according to BS5950 Part 8, two alternative calculation approaches, a limiting temperature method and a moment capacity method, are used to assess the fire resistance of composite structures. The in-fire performance of the structures and insulation materials are required to satisfy a limiting strain level and a simple deflection criterion during the structure’s specified fire resistance period. However, it is difficult to estimate the deflection of long span structures at elevated temperatures, due to the significant thermal effects on both the materials and structural mechanics. This project uses the Sheffield FE package ‘Vulcan’ to investigate numerically the in-fire performance of two types of long span structure which are passively protected against fire.
Original languageEnglish
Title of host publicationProceedings of the 2nd International Conference on Steel and Composite Structures
Subtitle of host publicationICSCS '04
Number of pages9
Publication statusPublished (in print/issue) - Sept 2004
Event2nd International Conference on Steel and Composite Structures - Seoul, Korea, Republic of
Duration: 2 Sept 20044 Sept 2004

Conference

Conference2nd International Conference on Steel and Composite Structures
Abbreviated titleICSCS '04
Country/TerritoryKorea, Republic of
CitySeoul
Period2/09/044/09/04

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