The Structural Behaviour of Lightweight Composite Trusses in Fire during The Event of World Trade Centre

S Choi, Ian Burgess, Roger Plank

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

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Abstract

On September 11 2001, the twin towers of World Trade Centre were struck by two hijacked airplanes. Despite severe local damage induced by the impact, the towers were able to sustain 103 and 56 minutes of the subsequent fire. The purpose of this study is to contribute to the understanding of the behaviour of WTC 1 tower, during the events, in structural fire engineering terms. Using FE package VULCAN, the structural mechanism of the typical long-span composite floor trusses in fire is explained under a variety of scenarios, varying boundary condition, degree of protection and loading. The results are presented as graphs of deflections against time.
Original languageEnglish
Title of host publicationSFPE/ASCE Specialty Conference: Designing Structures for Fire
Number of pages15
Publication statusPublished (in print/issue) - Oct 2003
EventSFPE/ASCE Specialty Conference - baltimore, United States
Duration: 30 Sept 20031 Oct 2003

Conference

ConferenceSFPE/ASCE Specialty Conference
Country/TerritoryUnited States
Citybaltimore
Period30/09/031/10/03

Keywords

  • composite truss
  • catenary action
  • numerical modelling
  • progressive collapse
  • structural fire engineering
  • world trade centre

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