| 结合南京地铁2号线谈盾构施工风险源 |
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| 引用本文： | 张奇,杨树才,王明洋.结合南京地铁2号线谈盾构施工风险源[J].施工技术,2009,38(1). |
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| 作者姓名： | 张奇 杨树才 王明洋 |
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| 作者单位： | 1. 中国人民解放军理工大学,江苏南京,210007
2. 南京市地铁总公司,江苏南京,210024 |
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| 基金项目： | 南京地铁施工安全风险评估及控制措施研究 |
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| 摘 要： | 南京地铁2号线一期工程TA11标包括逸仙桥站一大行宫站一新街口站,采用盾构法施工.结合工程处于软土地区、区间易产生振动液化和施工扰动等情况,指出盾构机选型、盾构机进出洞及盾构施工过程中的风险源.如始发方向失控、盾尾卡死、洞口土体坍塌、盾构机座变形等.强调在施工过程中要正确辨识风险源,并根据地质、水文和周围环境条件采取适当规避措施.
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| 关 键 词： | 隧道工程 地铁隧道 盾构法 施工风险 规避措施 |
Discussion on Risk Sources of Shield Construction in Nanjing Metro Line 2 |
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| Zhang Qi,Yang Shucai,Wang Mingyang.Discussion on Risk Sources of Shield Construction in Nanjing Metro Line 2[J].Construction Technology,2009,38(1). |
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| Authors: | Zhang Qi Yang Shucai Wang Mingyang |
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| Affiliation: | 1.PLA University of Science and Technology;Nanjing;Jiangsu 210007;China;2.Nanjing Metro Company;Jiangsu 210024;China |
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| Abstract: | TA11 bid for first stage of Nanjing Metro Line 2 is constructed with shield method,including Yixianqiao,Daxinggong and Xinjiekou stations.The shield zone locates in soft soil,so it is easy to generate vibrating liquefaction and construction disturbance.Based on the difficulties,risk sources during shield machine selection,shield entrance and construction are pointed out,including deflecting at beginning,shield tail deadlocking,soil collapse at opening as well as deformation of shield base.It is emphasized t... |
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| Keywords: | tunnel engineering metro tunnel shield method construction risk elusion measure |
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