Fire following earthquake; ignition; probabilistic model; community; Maeviz/Ergo; Hazus
Abstract :
[en] Fire following earthquake (FFE), a cascading multi-hazard event, can cause major social and economical losses in a community. In this paper, two existing post-earthquake fire ignition models that are implemented in Geographic Information System (GIS) based platforms, Hazus and MAEViz/Ergo, are reviewed. The two platforms and their FFE modules have been studied for suitability in community resiliency evaluations. Based on the shortcomings in the existing literature, a new post-earthquake fire ignition model is proposed using historical FFE data and a probabilistic formulation. The procedure to create the database for the model using GIS-based tools is explained. The proposed model provides the probability of ignition at both census tract scale and individual buildings, and can be used to identify areas of a community with high risk of fire ignitions after an earthquake. The model also provides a breakdown of ignitions in different building types. Finally, the model is implemented in MAEViz/Ergo to demonstrate its application in a GIS-based software.
Disciplines :
Civil engineering
Author, co-author :
Elhami Khorasani, Negar; University at Buffalo NY
Gernay, Thomas ; Université de Liège > Département ArGEnCo > Ingénierie du feu
Garlock, Maria; Princeton University
Language :
English
Title :
Data-driven probabilistic post-earthquake fire ignition model for a community
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