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special emergency resources Preallocation Concerning Demand Time for Tunnel Collapse

International Journal of Disaster Risk Science 2023年第1期14卷 113-126页

作者： Xia Li Yuewen Xiao Jiaxuan Li Haipeng Wang Eryong Chuo Haili Bai School of Civil and Transportation Engineering Hebei University of TechnologyTianjin300401China Qingdao Municipal Engineering Design and Research Institute Qingdao266061China Dongying City Transportation Bureau Dongying257000China Tianjin Institute of Transportation Science Tianjin300074China

Lacking timely access to rescue resources is one of the main causes of casualties in tunnel *** provide timely rescue,this study proposed a multi-objective preallocation model of special emergency resources for tunnel collapse based on demand ***,multiple coverage,and cost-effectiveness are taken as the key objectives of the model;the demand time service range is used as a coverage decision factor considering the unique nature of tunnel *** weight of potential disaster-affected points and other general factors are also considered in this model in order to thoroughly combine the distribution of disaster points and service ***,we take 15 main tunnel projects under construction in China as an *** the relative proximity to the ideal point of the selected optimal schemeε_(a)is smaller than 0.5,we will adjust the weight of three objectives and reselect the optimal scheme untilε_(a)>*** with the not preallocated case,the number of rescue rigs needed is reduced by 8.3%,the number of covered potential disaster-affected points is increased by 36.36%,the weighted coverage times are increased from 0.853 to 1.383,and the weighted distance is significantly reduced by 99%when the rescue rigs are preallocated,verifying the feasibility and superiority of the proposed model.

关键词： China Demand time emergency resources preallocation special emergency resources Tunnel collapse

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