Spatial fuzzy comprehensive assessment of highway flood risk based on GIS

doi:10.16265/j.cnki.issn1003-3033.2018.11.024

Abstract

Abstract: An index system of highway flood risk assessment was established after 9 evaluation indexes were identified from considering the disaster environment and the disaster causing factors. Based on the optimum combination weighting method, weights of the indexes were calculated. On the basis of GIS technology and variable multi objective fuzzy optimization theory, a spatial fuzzy evaluation model was built for highway flood disaster risk. The effectiveness of this model was verified by applying it to Banan District of Chongqing which was taken as an example. The results show that using the optimal combination weighting method can avoid the one-sidedness of a single method and get more reasonable and realistic comprehensive weights, and that the assessment results obtained by using the model conform with the reality.

Key words: highway flood, geographic information system(GIS), spatially fuzzy comprehensive assessment, optimal combined weights method, multi-objective fuzzy optimization model

CLC Number:

X915.5

LI Mengmei, MU Fengyun, LIN Xiaosong, LONG Qiuyue, CUI Mengrui. Spatial fuzzy comprehensive assessment of highway flood risk based on GIS[J]. China Safety Science Journal, 2018, 28(11): 149-155.

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