[en] Cascading multi-hazard events, such as fires following an earthquake, can trigger progressive collapse of structures. Risk or the probability of reaching a limit state after an extreme event is related to (a) the probability of occurrence of the hazard, and (b) the probability of reaching the limit state given the hazard. In this paper, earthquake effects on fire performance of tall buildings in a community are studied. First, the proba-bility of fire ignition due to an earthquake is modeled based on historical data and properties of the built en-vironment. In the second step, the effect of earthquake on structural fire performance of a steel frame is studied using system level probabilistic approaches. The results show that the earthquake does not increase the probability of reaching different limit states under fire, however, post earthquake fire can increase the drift demand on columns located on the perimeter of the structure, and may cause instability.
Disciplines :
Civil engineering
Author, co-author :
Elhami Khorasani, Negar; University at Buffalo
Gernay, Thomas ; Université de Liège > Département ArGEnCo > Ingénierie du feu
Garlock, Maria; Princeton University
Language :
English
Title :
Probabilistic Measures of Earthquake Effects on Fire Performance of Tall Buildings
Publication date :
06 September 2016
Event name :
The Sixth International Conference on Structural Engineering, Mechanics and Computation (SEMC 2016)
Event organizer :
University of Cape Town
Event place :
Cape Town, South Africa
Event date :
5-7 September 2016
Audience :
International
Main work title :
Proceedings of the Sixth International Conference on Structural Engineering, Mechanics and Computation
Editor :
Zingoni
Publisher :
Taylor & Francis, London, United Kingdom
Pages :
1744-1749
Peer reviewed :
Peer reviewed
Funders :
Fulbright Commission BAEF - Belgian American Educational Foundation
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