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《Chinese Journal of Underground Space and Engineering》 2006-01
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Risk Analysis in the Construction stage of Deep Excavation Engineering Based on Dependability Method

BIAN Yi-hai~1,HUANG Hong-wei~1,LI Jian~2(1.The Department of Geotechnical Engineering of Tongji University,Shanghai 200092,P.R.China;2.Shanghai Civic Engineering construction and Development Co.Ltd.,Shanghai 200025,P.R.China)  
During the last decades,a lot of deep excavation engineering with large dimension have been used in high-rise building and underground project and at the same time,accidents are increasing quickly.As a consequence,how to reduce the accidents and losses of deep excavation engineering has become an important task.There has been an increasing concern on risk analysis of deep excavation engineering.But lack of accident data,uncertainty and complexity of risk factors result in difficulty in risk analysis of deep excavation engineering.In this paper,the dependability method is presented with a real project,the probabilities of key accidents and consequences of deep excavation engineering during construction is classified firstly,weighted expert investigation method is used in risk analysis of deep excavation engineering and the total risk of deep excavation engineering during construction is obtained by the dependability method.
【CateGory Index】: TU753
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