Time-Dependent Stochastic Modelling of Fire Spread in Segregated Structures
A segregated structure is a unit comprising smaller, distinct ‘compartments’ or ‘volumes’ which are separated by various ‘barriers’. If a fire starts in one of these volumes it may spread to other volumes in the structure by breaching the interposed barriers. A general model to assess the risk from fire spreading through a structure in which one or more volumes is in some sense critical is introduced. The model is time-dependent, based upon failure-time probability distributions assigned to each barrier and embracing extreme value theory in the determination of the probability distribution of the time taken for a fire to reach a particular critical volume.
KeywordsTarget Volume Fire Safety Fire Spread Probabilistic Risk Assessment Ignition Probability
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