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An Emergency Strategy for Subway Disruption Based on Resilience Theory
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[1]CHEN Xiyang,LIU Chenhui,LIU Ling,et al.An Emergency Strategy for Subway Disruption Based on Resilience Theory[J].Journal of Zhengzhou University (Engineering Science),2025,46(03):82-89.[doi:10.13705/j.issn.1671-6833.2024.06.010]
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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 46 Number of periods: 2025 03 Page number: 82-89 Column: Public date: 2025-05-13
Title:
An Emergency Strategy for Subway Disruption Based on Resilience Theory
Author(s):
CHEN Xiyang1;  LIU Chenhui1; 2; 3; 4;  LIU Ling5;  PENG Haibo2; 6;  ZHANG Wang2; 6
1.College of Civil Engineering, Hunan University, Changsha 410082, China; 2.Hunan Geospatial Information Engineering and Technology Research Center, Changsha 410007, China; 3.Key Laboratory of New Technology for Construction of Cities in Mountain Area, Ministry of Education, Chongqing University, Chongqing 400045, China; 4.Transportation Research Center, Hunan University, Changsha 410082, China; 5.Changsha Planning & Design Survey Research Institute, Changsha 410007,China; 6.The Third Surveying and Mapping Institute of Hunan Province, Changsha 410007, China
Keywords:
urban rail transit;  resilience assessment;  recovery strategy;  passenger flow loss;  polynomial regression
CLC:
U292.7U298.5
DOI:
10.13705/j.issn.1671-6833.2024.06.010
Abstract:
To tackle frequent subway delays and interruptions, to address the shortcomings of common emergency strategies, in this study, an emergency strategy for localized subway line interruptions was proposed based on resilience theory. Firstly, the evolution process of subway line performance during emergencies were thoretically analyzed. Subsequently, a resilience evaluation model for subway lines was constructed using indicators such as line connectivity, delay resistance index, and passenger retention rate. Finally, aiming to enhance subway line resilience, a multi-section single-track bidirectional operation emergency strategy was proposed for common incidents of partial interruption on one side of subway tracks. This strategy divided the operable track in the opposite direction of the accident site into several sections, with a train operating in a single-track bidirectional mode within each section. To assess the effectiveness of the proposed strategy, a case study was conducted on the Line 4 of the Changsha subway during weekday morning peak hours. The results indicated that during emergencies, the majority of passengers experienced wait times concentrated within 5-7 minutes, with passenger waiting rates dropping below 50% within 10 minutes. Compared to traditional shuttle operation and single-track bidirectional operation schemes, the multi-section single-track bidirectional operation scheme improved passenger retention rates by 42.4% and 12.7%, respectively, with a corresponding increase in line resilience of 145% and 50%.
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Last Update: 2025-05-22
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