| 紧邻已建车站基坑开挖近接施工影响分析 |
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| 引用本文： | 郭海柱,张庆贺. 紧邻已建车站基坑开挖近接施工影响分析[J]. 建筑结构, 2010, 0(3) |
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| 作者姓名： | 郭海柱 张庆贺 |
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| 作者单位： | 深圳市地铁集团有限公司;同济大学岩土及地下工程教育部重点实验室; |
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| 摘 要： | 以上海市轨道交通8号线和10号线换乘车站共用扩大站厅层基坑工程为背景,采用有限元方法分析基坑开挖对已建车站结构的影响规律。结合监测数据,重点研究共用地下连续墙和车站结构板的变形规律,指出紧邻车站基坑开挖卸载引起共用地下连续墙向基坑内变形,已建车站结构板靠近基坑一侧上浮较明显。总结了高压旋喷桩加固、分块凿除共用地下连续墙等控制已建车站结构变形的关键技术措施,为同类工程设计施工提供借鉴。
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| 关 键 词： | 地铁车站 地下连续墙 深基坑 近接施工 |
Influence analysis on excavation of deep foundation pit adjacent to operating subway station |
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| Guo Haizhu,Zhang Qinghe. Influence analysis on excavation of deep foundation pit adjacent to operating subway station[J]. Building Structure, 2010, 0(3) |
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| Authors: | Guo Haizhu Zhang Qinghe |
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| Affiliation: | 1;2;1 Shenzhen Metro Group Limited Company;Shenzhen 518026;China;2 Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education;Tongji University;Shanghai 200092;China |
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| Abstract: | Based on the excavation of the northeast common structures of the cross-shaped transfer subway station at the intersection of Shanghai URT Line 8 and Line 10,the effect of excavation on the constructed subway station structures with FEM was studied.According to the monitored data,the deformation of underground retaining wall and subway station structures was mainly analyzed.It was presented that the shared retaining wall deformed towards the excavation and the sides of structural slabs close to the excavati... |
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| Keywords: | subway station underground retaining wall deep foundation pit approaching excavation |
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