Research on siting of urban emergency resources depots and layout optimization considering rainstorm disaster and distribution route

doi:10.16265/j.cnki.issn1003-3033.2017.09.029

Abstract

Abstract: In view of problems of urban emergency resource distribution, such as slow speeds and traffic organizational obstruction, this paper takes rainstorm disaster as background, and works out a methodology of siting of urban emergency resources depots and layout optimization. The methodology is worked out on the basis of Hongshan District of Wuhan as an example and involves establishment of an evaluation index system, siting of alternative emergency resources depots, calculating total length of distribution routes for the depots by using the Floyd-Warshall algorithm, and studying the relationship between the number of depots and the total length. The results show that increasing number of depots can reduce the total length of the distribution path and improve the distribution efficiency, however, when the number of depots in this area is more than five, it has no apparent effect on the length, so, five is the optimal number of depots in the study area.

Key words: urban, emergency resource, depot, siting and layout of depots, optimizationation

CLC Number:

X913.4

WU Ke, SONG Yinghua, LYU Wei. Research on siting of urban emergency resources depots and layout optimization considering rainstorm disaster and distribution route[J]. China Safety Science Journal, 2017, 27(9): 170-174.

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