The vulnerability of structures to unforeseen events

Juan England, Jitendra Agarwal, David Blockley*

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)

63 Citations (Scopus)

Abstract

A structure is vulnerable to all unforeseen event if it is not sufficiently robust. One insight into the lack of robustness is gained through the vulnerability of a structure to disproportionate collapse. In this paper, the importance of assessing the vulnerability of a structure to unforeseen events is highlighted and the nature of unforeseen events examined. A theory of structural vulnerability which examines the form of the structure to determine the most vulnerable sequence of failure events is briefly described. The potential for damage to propagate through a structure is examined through a new measure of hazard potential and vertical pushover analysis. All analysis of all example structure shows that such all approach is able to capture the weaknesses in a structure either due to form or external actions. (C) 2007 Elsevier Ltd. All rights reserved.

Translated title of the contributionThe Vulnerability of Structures to Unforeseen Events
Original languageEnglish
Pages (from-to)1042-1051
Number of pages10
JournalComputers and Structures
Volume86
Issue number10
DOIs
Publication statusPublished - May 2008

Keywords

  • vulnerability
  • unforeseen event
  • robustness
  • disproportionate collapse
  • hazard potential
  • uncertainty management

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