极端降雨天气下地铁隧道施工安全评价  

Safety evaluation for subway tunnel construction under extreme rainfall weather

作　　者：刘平[1] 王宇 李强年[1] LIU Ping;WANG Yu;LI Qiangnian(Department of Civil Engineering,Lanzhou University of Technology,Lanzhou 730050,China)

机构地区：[1]兰州理工大学土木工程学院,兰州730050

出　　处：《安全与环境学报》2023年第12期4222-4229,共8页Journal of Safety and Environment

基　　金：国家自然科学基金项目(72061023);甘肃省自然科学基金项目(20JR10RA173);兰州理工大学红柳优秀青年人才支持计划项目。

摘　　要：为准确预测极端降雨天气下地铁隧道施工安全等级,基于既有的研究成果和工程实际情况,建立多指标参数的地铁隧道施工安全评价指标体系,并运用博弈论和序关系分析法-反熵权法对各指标因素进行权重分析;同时考虑到极端降雨天气下地铁隧道安全评价指标的不确定性和评价等级划分的模糊性,提出了基于集对分析法和可变模糊理论(Set Pair Analysis-Variable Fuzzy Set,SPA-VFS)的极端降雨天气下地铁隧道施工安全等级评价方法。以某地铁隧道工程为研究对象进行评价,结果表明,施工段L_(1)、L_(2)、L_(3)通过SPA-VFS耦合评价方法和SPA方法计算的安全评价等级均为Ⅲ级,属于一般风险,评价结果与工程实际情况相吻合,为地铁隧道施工安全评价提供了一条新的思路。To accurately predict the safety level of subway tunnel construction under extreme rainfall weather,in combination with the existing research results and the actual situation of the project,this paper establishes a construction safety evaluation index system for subway tunnel by selecting a total of 18 indicators in four aspects:“ rainfall,hydrogeology,design,management”.Additionally,the weighting analysis of each index factor was further examined using Order Relationship Analysis Method-Anti-Entropy Weight(G1-AEW) approach and the game theory.Besides,considering the uncertainty of subway tunnel construction safety evaluation index system under extreme rainfall weather and the fuzzy nature of evaluation level classification,the safety evaluation model for subway tunnel construction under extreme rainfall weather is established by combining Set Pair Analysis(SPA) with Variable Fuzzy Set(VFS) theory.Taking the similar nature of the concepts of set pair analysis “Degree of association” and Variable fuzzy set “Relative difference” as a link,two evaluation methods are coupled to calculate the relative correlation degree and the corresponding grade characteristics under four different parameter combinations to determine the safety evaluation level of subway tunnel construction under extreme rainfall weather.It makes up for the shortcomings that the evaluation results of the single set pair analysis method are not refined enough and easily cause information loss,and the core parameters depend on subjective experience after the variable fuzzy set construction is completed so that the evaluation results are more objective and reasonable.Using the SPA-VFS couple safety evaluation model of four different parameter combinations and the SPA model for the subway tunnel project,the results show that:the safety level of construction sections L_1,L_2,L_(3) are all Ⅲ,which belong to general risk.The evaluation results are consistent with the actual situation of the project,providing a new idea for the safety evaluati

关 键 词：安全工程 地铁隧道 极端降雨天气 集对分析 可变模糊集 

分 类 号：X947[环境科学与工程—安全科学]