【作者】 邓娜； 文海家；

【Author】 DENG Na;WEN Haijia;Chengdu Technological University;College of Civil Engineering Chongqing University;

【机构】 成都工业学院； 重庆大学土木工程学院；

【摘要】 偏压隧道施工中易引起塌方事故,为降低塌方风险,最大程度降低偏压隧道施工风险损失,建立因地形引起隧道偏压而导致施工塌方的风险事故树评估方法。在定义偏压隧道施工风险的基础上,研究了采用事故树分析法对其进行风险评估的基本方法,构建偏压隧道施工塌方的事故树图,分析引起偏压隧道塌方的主要事件,确定关键事件的集合。通过偏压隧道施工风险损失估计模型,估计其损失结果,最后进行了实例分析。为偏压隧道施工塌方风险定性与定量评估提供了有效的方法,使其风险评估更加有效。更多还原

【Abstract】 Bias tunnel easily caused collapse accident during construction.For Reducing the risk of collapse and the maximum risk loss,the research established the accident tree risk assessment of bias tunnel construction collapse mainly caused by terrain.On the basis of the definition of the risk of bias on tunnel construction,this article studied the basic method of risk assessment using the accident tree Analysis,and built the accident tree chart of bias tunnel construction collapse.This article also made an analysis of the main events causing bias tunnel construction collapse,finally,identified the key events sets.Through the risk loss estimation model by bias tunnel construction,this article estimated loss results and made a real case study at last.The accident tree method provided the effective method for risk assessment of the bias tunnel collapse.this way made risk assessment more accurate.更多还原