LIU Y W, HE Y Y, JIANG X,et al.Risk assessment and optimization of safe operation and maintenance of underground utility tunnel considering civil air defense[J].Journal of Henan Polytechnic University(Natural Science) ,2023,42(4):11-21.

doi:10.16186/j.cnki.1673-9787.2021110021

Received:2021/11/04

Revised:2022/02/28

Published:2023/07/25

Risk assessment and optimization of safe operation and maintenance of underground utility tunnel considering civil air defense

LIU Yanwei1, HE Yanyan1, JIANG Xiao2, YAN Aihua3, GUO Jiaqi4, QIU Jinpeng2, JIANG Linan2

1.College of Safety Science and Engineering，Henan Polytechnic University，Jiaozuo  454000，Henan，China;2.Jiangsu Fangyang Logistic Co.，Ltd.，Lianyungang  222000，Jiangsu，China;3.Research Center of Emergency Management，Beijing  100713，China;4.College of Civil Engineering，Henan Polytechnic University，Jiaozuo  454000，Henan，China

Abstract:Taking into account the function of civil air defense has become the development trend of the con-struction and operation and maintenance of underground utility tunnel.However，the coupling of the functions of the underground utility tunnel and the requirements of civil air defense makes the safety risk assessment and operation and maintenance of the utility tunnel more complicated.The safety risk assessment methods were proposed based on the AHP-cloud model and reinforcement optimization measures of underground utility tunnel considering civil air defense.Firstly，the hierarchical hologram modeling method （HHM） was used to construct the risk identification dimension from the perspective of macro structure and safety management，the Vague set theory was used to filter analysis，and 6 first-level risk indicators and 36 second-level risk indicators were established.Secondly，the AHP-cloud model for the safety risk assessment of the underground utility tunnel considering civil air defense was constructed，and the status quo of the safety operation and maintenance management of the underground utility tunnel both civil air defense in Xuwei New Area was evaluated.Finally，according to the evaluation results and the relevant standards of civil air defense engineering，the optimization measures for the utility tunnel considering civil air defense function were proposed，and the utility tunnel condisering civil air defense scenario drill was established based on BIM and Unity3D.The results showed that the evaluation method and index were suitable for the underground utility tunnel considering civil air defense，and the evaluation results were intuitive，accurate and reliable.The overall operation and maintenance safety risk level of the project was low，but the main structure and port facilities were medium risk.After optimization，the project met the requirements of the underground utility tunnel both civil air defense.

Key words:underground utility tunnel;considering civil air defense;analytic hierarchy process-cloud model;operation and maintenance;risk assessment

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