Development of Simulation System of Urban Spreading Fire in an Earthquake and Its Application to Decision of Extinguishing Priority Order

Abstract eng:
The objective of this study is to develop the simulation system of the urban spreading fire in an earthquake in which the data for the simulation can be automatically made with the aid of digital residential map. Simultaneous occurrence of fires is one of the characteristics in an earthquake. Perfect fire fighting can not be expected under the special circumstances such as urban fire in an earthquake. Therefore, simulation of spreading fire plays an important role to make the most use of the capacity of fire fighting. It is required to build the analytical model of the target area for the simulation of urban spreading fire. The modeling often costs us tremendous labor and time. In this study, an automatic modeling system using digital residential map is proposed. Almost all the data, which are necessary for the simulation of urban spreading fire, cane be made automatically by just only assigning the target area in the map. The analysis of spreading fire is carried out by the algorithm of Petri-net which is one of graph theory. Based on this simulation system, the order of extinguishing priority can be determined by the comparison of the effect of extinguishment of each building on fire.

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