| 盾构近距离下穿对已运营隧道的变形分析 |
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| 引用本文： | 丁传松,杨兴富.盾构近距离下穿对已运营隧道的变形分析[J].施工技术,2012,41(1):84-86,91. |
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| 作者姓名： | 丁传松 杨兴富 |
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| 作者单位： | 1. 上海辉固岩土工程技术有限公司,上海,200125
2. 中海发展(上海)有限公司,上海,200023 |
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| 摘 要： | 以西藏南路隧道下穿轨道交通8号线工程实例,分析了隧道施工过程中运营隧道的变形情况。根据实测数据对新建隧道下穿运营隧道时运营隧道的变形特点进行了分析,对运营隧道的变形性状进行了总结,给出了其中的变形规律。盾构隧道近距离下穿对运营隧道影响明显,隧道变形与盾构类型、地质条件、注浆施工控制及线路姿态调整等紧密相关。
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| 关 键 词： | 隧道工程 盾构 运营隧道 监测 变形 注浆 |
Deformation Analysis of Shield Tunnel Undercrossing Nearby Operation Tunnels |
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| Ding Chuansong
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Yang Xingfu.Deformation Analysis of Shield Tunnel Undercrossing Nearby Operation Tunnels[J].Construction Technology,2012,41(1):84-86,91. |
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| Authors: | Ding Chuansong Yang Xingfu |
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| Affiliation: | 1.Shanghai Fugro Geotechnique Co.,Ltd.,Shanghai 200125,China; 2.Shanghai Zhonghai Development Co.,Ltd.,Shanghai 200023,China) |
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| Abstract: | Based on project of South Xizang Road tunnel in Shanghai undercrossing Metro Line 8,authors analyze the deformation characteristics of operating tunnel for unedrcrossing construction according to monitoring,summarize deformation behavior and deformation laws.The effect of undercrossing nearby is obvious and deformation of tunnel is closely related to shield types,geological conditions,grouting control and posture adjustment. |
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| Keywords: | tunnels shields running tunnel monitoring deformation grouting |
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