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Performance-based fire protection of office buildings: A case study based on the collapse of WTC 7

Journal: Challenge Journal of Structural Mechanics (Vol.1, No. 3)

Publication Date:

Authors : ; ; ;

Page : 96-105

Keywords : collapse initiation; steel structures; fire loadings; fire protection; thermal analysis; heat release rates;

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Abstract

This article points out the benefits of employing a performance based analysis approach for ascertaining the likelihood that travelling fires in an office building could induce a localized failure that might trigger its collapse. The case study chosen is Building 7 of the World Trade Center complex. Based on the parametric study undertaken, our findings were that the fire-protected steel floor beam, identified as the initiator of the cascade of events that followed, could not have done so, virtually under any circumstance.

Last modified: 2015-09-13 23:39:44