| 北京地铁10号线盾构对周边土体扰动模拟分析 |
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| 引用本文： | 郦亮. 北京地铁10号线盾构对周边土体扰动模拟分析[J]. 施工技术, 2010, 39(5) |
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| 作者姓名： | 郦亮 |
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| 作者单位： | 北京科技大学土木与环境工程学院,北京,100083 |
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| 摘 要： | 以北京地铁10号线国贸站～双井站区间隧道施工为背景,采用有限元差分程序FLAC3D建立了有限元模型,对盾构推进过程中隧道应力、变形及地表沉降规律进行研究.通过隧道上方地表横向监测点沉降、隧道中心地表沉降和地表建筑物基础沉降实测值与计算值比较,得出模拟计算结果与实际检测结果比较符合,但实际施工过程中存在复杂性和不确定因素.
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| 关 键 词： | 地铁隧道 盾构施工 有限元 地表沉降 土体位移 |
Simulation Analysis on Surrounding Soil Disturbance Caused by Shield Construction of Beijing Metro Line 10 |
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| Li Liang. Simulation Analysis on Surrounding Soil Disturbance Caused by Shield Construction of Beijing Metro Line 10[J]. Construction Technology, 2010, 39(5) |
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| Authors: | Li Liang |
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| Affiliation: | Li Liang (Civil & Environment Engineering School,University of Science & Technology Beijing,Beijing 100083,China) |
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| Abstract: | Based on construction of Guomao station-Shuangjing station of Beijing Metro Line 10,tunnel stress,deformation and ground surface settlement are researched through calculation by FLAC3D software. Furthermore,some calculating results are compared with monitoring results such as transverse settlement of ground surface,ground surface settlement over vault and building foundation settlement. The comparison shows that calculating results accord with monitoring results,however,there are complex uncertain factors i... |
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| Keywords: | metro tunnel shield construction finite element method ground surface settlement soil displacement |
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