Analyzing Subway Operation Accidents Causations: Apriori Algorithm and Network Approaches

Yongliang Deng (), Ying Zhang, Zhenmin Yuan, Rita Yi Man Li and Tiantian Gu
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Yongliang Deng: School of Civil Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
Ying Zhang: School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China
Zhenmin Yuan: School of Management Engineering, Shandong Jianzhu University, Jinan 250101, China
Rita Yi Man Li: Sustainable Real Estate Research Center, Department of Economics and Finance, Hong Kong Shue Yan University, Hong Kong 999077, China
Tiantian Gu: School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China

IJERPH, 2023, vol. 20, issue 4, 1-20

Abstract: Subway operation safety management has become increasingly important due to the severe consequences of accidents and interruptions. As the causative factors and accidents exhibit a complex and dynamic interrelationship, the proposed subway operation accident causation network (SOACN) could represent the actual scenario in a better way. This study used the SOACN to explore subway operation safety risks and provide suggestions for promoting safety management. The SOACN model was built under 13 accident types, 29 causations and their 84 relationships based on the literature review, grounded theory and association rule analysis, respectively. Based on the network theory, topological features were obtained to showcase different roles of an accident or causation in the SOACN, including degree distribution, betweenness centrality, clustering coefficient, network diameter, and average path length. The SOACN exhibits both small-world network and scale-free features, implying that propagation in the SOACN is fast. Vulnerability evaluation was conducted under network efficiency, and its results indicated that safety management should focus more on fire accident and passenger falling off the rail. This study is beneficial for capturing the complex accident safety-risk–causation relationship in subway operations. It offers suggestions regarding safety-related decision optimization and measures for causation reduction and accident control with high efficiency.

Keywords: subway operation; safety risk; vulnerability evaluation; network theory (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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