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Study on coupling of subway shield tunneling safety risk based on improved N-K model
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Jianshe ZHANG1, Yanlong HUANG1, Hujun LI1, **, Huihua CHEN2, Kuang HE3, Zishuang DAI1
China Safety Science Journal | 2024, 34(2) : 67 - 75
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China Safety Science Journal | 2024, 34(2): 67-75
• Safety social science and safety management •
Study on coupling of subway shield tunneling safety risk based on improved N-K model
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Jianshe ZHANG1, Yanlong HUANG1, Hujun LI1, **, Huihua CHEN2, Kuang HE3, Zishuang DAI1
Affiliations
  • 1 School of Civil Engineering，Henan Polytechnic University，Jiaozuo Henan 454000，China
  • 2 School of Civil Engineering，Central South University，Changsha Hunan 410075，China
  • 3 Zhengzhou Metro Group Co.，Ltd.，Zhengzhou Henan 450014，China
Published: 2024-02-28 doi: 10.16265/j.cnki.issn1003-3033.2024.02.0385
Outline
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In order to effectively prevent and control the key safety risks in subway shield tunneling construction and accurately judge which risk coupling scenarios were significant ones leading to accidents，an improved N-K model was proposed to study the coupling effect of safety risks in subway shield tunneling. The key safety risks of subway shield tunneling were identified by comprehensively using literature research，accident case analysis and expert interview. Based on the N-K model，a new coupling analysis model of subway shield tunneling safety risk was proposed，and the applicability of the model was verified by a safety accident case. The results show that the list of key safety risk factors of subway shield tunneling is obtained，including 4 first-level risk factors (i.e.，personnel-type，equipment-type，environment-type and management-type safety risks) and 21 second-level risk factors. The safety risk value of subway shield tunneling construction increases with the increase of coupling factors. Safety risk coupling values with four factors are the highest，followed by the coupling values of three factors，and safety risk coupling values with two factors are the lowest. Coupling scenarios with workers' low safety awareness and machine failure participating are more susceptible to safety accidents.

improved N-K model  /  subway shield tunneling  /  safety risk  /  risk factor  /  risk coupling
Jianshe ZHANG, Yanlong HUANG, Hujun LI, Huihua CHEN, Kuang HE, Zishuang DAI. Study on coupling of subway shield tunneling safety risk based on improved N-K model[J]. China Safety Science Journal, 2024 , 34 (2) : 67 -75 . DOI: 10.16265/j.cnki.issn1003-3033.2024.02.0385
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Year 2024 volume 34 Issue 2
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Article Info
doi: 10.16265/j.cnki.issn1003-3033.2024.02.0385
  • Receive Date：2023-08-12
  • Online Date：2025-07-09
  • Published：2024-02-28
Article Data
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History
  • Received：2023-08-12
  • Revised：2023-11-17
Funding
Affiliations
    1 School of Civil Engineering，Henan Polytechnic University，Jiaozuo Henan 454000，China
    2 School of Civil Engineering，Central South University，Changsha Hunan 410075，China
    3 Zhengzhou Metro Group Co.，Ltd.，Zhengzhou Henan 450014，China
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多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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