明堂山隧道塌方风险评估及控制措施建议  

Collapse Risk Evaluation and Its Control Measures for Mingtangshan Tunnel

作　　者：张胜[1] 陈修和[1] 汪波[2] 王飞[1] 

机构地区：[1]安徽省交通规划设计研究院,合肥230031 [2]西南交通大学地下工程系,成都610031

出　　处：《地下空间与工程学报》2012年第A01期1567-1570,1620,共5页Chinese Journal of Underground Space and Engineering

基　　金：中央高校基本科研业务费专项资金资助(SWJTU12CX066)

摘　　要：为在施工前预防隧道塌方,优化隧道设计,以明堂山隧道塌方风险为研究对象,利用层次分析法对可能引起塌方的各风险源进行重要性排序,通过专家调查法对塌方风险发生的概率等级和风险损失进行了调查统计,确定各风险源的风险等级。分析结果表明,洞口浅埋、偏压+小净距、断层破碎带是引发塌方的重要诱因,应引起重视,并提出了一些预防塌方的控制措施建议。For prevention of tunnel collapse before the construction and optimization of the tunnel design, the collapse risk of Mingtangshan tunnel was taken as the research object, using analytic hierarchy process to make order of significance of the risk source possible causing the collapse, through the experts investigation a survey statistics was carried out for the probability level of collapse risk occurrence and risk loss, the risk levels of risk source were determined. The analysis results show that, the shallow cover of the portal and bias ＋ small interval, fault fracture zone is an important cause of triggering collapse, to which attention should be paid, and this paper puts forward some measures to prevent collapse.

关 键 词：塌方风险 层次分析法 风险等级 控制措施 

分 类 号：U455.4[建筑科学—桥梁与隧道工程]