Construction of disaster chain network model and evaluation of network index for urban rail transit system

doi:10.16265/j.cnki.issn1003-3033.2018.06.030

China Safety Science Journal ›› 2018, Vol. 28 ›› Issue (6): 179-184.doi: 10.16265/j.cnki.issn1003-3033.2018.06.030

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Construction of disaster chain network model and evaluation of network index for urban rail transit system

LI Xiaolu¹, YU Xinming¹, LEI Fangshu², XI Yanhong³, MAO Jun³, ZHU Guangyu¹

1 MOE Key Laboratory for Transportation Complex Systems Theory and Technology,Beijing Jiaotong University,Beijing 100044,China;
2 Beijing Transport Institute,Beijing 100073,China 3 School of Civil Engineering,Beijing Jiaotong University,Beijing 100044,China

Received:2018-02-09 Revised:2018-04-19 Online:2018-06-28 Published:2020-11-25

Abstract

Abstract: To quantitatively describe the communication relationships between urban rail transit disaster events,help decision makers make more scientific judgments on disaster events,the HAZOP method was used to develop a method for extracting the disaster event set of the urban rail system,based on the historical data on urban rail accidents,a disaster chain oriented network model was built through the construction of a co-occurrence matrix and the calculation of Jaccard index,and values of importance of nodes and edges in a given disaster chain network were evaluated quantitatively on the basis of the statistical indicators of complex networks.Finally,the model and the evaluation method were verified by using historical accident data.The results show that the disaster chain network model can objectively reflect the propagation relationship between disaster events,and that the importance evaluation results of the edges and nodes of the network are consistent with the actual situation.

Key words: urban transit system, complex network theory, disaster event extraction, disaster chain network construction, network evaluation

CLC Number:

X913.4

LI Xiaolu, YU Xinming, LEI Fangshu, XI Yanhong, MAO Jun, ZHU Guangyu. Construction of disaster chain network model and evaluation of network index for urban rail transit system[J]. China Safety Science Journal, 2018, 28(6): 179-184.

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Construction of disaster chain network model and evaluation of network index for urban rail transit system

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