Article
Version 1
Preserved in Portico This version is not peer-reviewed
Safety Risk Evaluation of Metro Shield Construction Undercrossing a Bridge
Version 1
: Received: 25 August 2023 / Approved: 25 August 2023 / Online: 28 August 2023 (09:21:48 CEST)
A peer-reviewed article of this Preprint also exists.
He, K.; Zhu, J.; Wang, H.; Huang, Y.; Li, H.; Dai, Z.; Zhang, J. Safety Risk Evaluation of Metro Shield Construction When Undercrossing a Bridge. Buildings 2023, 13, 2540. He, K.; Zhu, J.; Wang, H.; Huang, Y.; Li, H.; Dai, Z.; Zhang, J. Safety Risk Evaluation of Metro Shield Construction When Undercrossing a Bridge. Buildings 2023, 13, 2540.
Abstract
The city administration of China planned numerous metro projects and more metros can hardly avoid undercrossing a bridge. While metro shield construction when undercrossing a bridge (MSCUB) is frequently located in complicated natural and social context, which made the construction process more susceptible to safety accidents. Therefore, it is crucial to look into safety risk of MSCUB. The paper identified the safety risk factors during SSCUR by using literature review and experts’ evaluation, proposed a novel safety risk assessment model by integrating CFA and FER, and then selected a project case to test the validity of the suggested model. Research results show that (a) a safety risk factors list of MSCUB was identified, including 4 first-level safety risks and 37 second-level safety risk factors; (b) the proposed safety risk assessment model can be used to measure the risk values of the overall worksite safety risk, the first-level safety risks and the safety risk factors of MSCUB; (c) environment-type safety risk and personnel-type safety risk have higher risk values when shield construction undercrossing a bridge; (d) when compared to worker-type safety risk, manager-type safety risk is the higher risk value. The research can enrich the theoretic knowledge of MSCUB safety risk assessment and provide references to safety managers for conducting scientific and effective safety management on the construction site when subway undercrossing a river.
Keywords
Shield construction safety risks assessment; subway undercrossing a bridge; safety risk factors list; safety assessment model; confirmatory factor analysis, fuzzy evidence reasoning.
Subject
Engineering, Architecture, Building and Construction
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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