复杂艰险地区铁路隧道建设安全韧性优化研究

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Abstract Research purposes: In response to the high difficulty of safety management and high risk of safety accidents in railway tunnel construction in complex and dangerous areas in the western region, this paper explores the use of safety barrier models as an effective means to block risk sources and prevent safety accidents. Improving the resilience of the construction safety management system itself is an important goal to ensure the safe and reliable performance of the tunnel construction system.
Research conclusions: (1) Based on the "4M" accident causation theory, a safety barrier model for railway tunnel engineering was established, and an Input-output Structural Model (ISM) was used to construct a diagram of defense elements. (2) The method of distance entropy was used to quantify data and calculates dynamic weights, and the resilience level of the safety barrier model wais measured by combining static Inoperability Input-output Model (IIM) and dynamic IIM. (3) A dynamic optimization system for safety barriers was established, dividing safety barrier warning levels to ensure system safety performance. (4) The research results can be applied in the K2 tunnel, achieving safety risk warning and rectification of safety hazards, improving safety resilience levels, and achieving safety risk control objectives.

Key words： safety barrier model safety resilience ISM IIM distance entropy

Received: 14 September 2023

PACS:

U215.1

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	Articles by authors
	WANG Hui
	LIU Yanan
	MENG Yang

Cite this article:

WANG Hui,LIU Yanan,MENG Yang. Research on Safety Resilience Optimization of Railway Tunnel Construction in Complex and Challenging Areas[J]. Journal of Railway Engineering Society, 2024, 41(9): 99-105.

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https://tdgcxb.crec.cn/EN/ OR https://tdgcxb.crec.cn/EN/Y2024/V41/I9/99

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