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收稿日期: 2007-11-19
网络出版日期: 2009-12-06
Practice of Risk Identification and Assessment of
Shield Tunnelling in Chengdu Metro
Received date: 2007-11-19
Online published: 2009-12-06
成都地铁一号线试验段区间隧道第一次采用土压平衡盾构施工。成都地层条件为富水的砂卵石地层，卵石含量高，盾构施工难度大，风险大。研究了工程的风险发生机理，找到了主要的工程风险，并采用R=P×C法对主要风险进行了评价和分级，确定了主要风险的风险级别，为工程的顺利进行提供了参考与保障。
关键词： ; 成都地铁盾构隧道土压平衡盾构风险管理风险识别与评价
徐润泽 , 宋天田 . 成都地铁土压平衡盾构隧道工程风险识别与评价[J]. 隧道建设, 2007 , 27(6) : 98 -100,104 . DOI: A
It is the first time that Earth Pressure Balanced is used to construct Metro tunnel in Chengdu. The ground is full of water and contains a large amount of cobbles. Therefore the shield tunneling is very difficult. In the paper, the risk mechanisms of this project is studied, the main risks are found out, assessed and classified employing the method of R=P×C and the risk classification is determined. These studies ensure the successful progress of the project.
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