| 井点降水在上海地区地铁盾构进、出洞施工中的应用 |
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| 引用本文： | 夏晨欢,郑杰,吴初兴. 井点降水在上海地区地铁盾构进、出洞施工中的应用[J]. 地下工程与隧道, 2012, 0(2): 38-41,69 |
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| 作者姓名： | 夏晨欢 郑杰 吴初兴 |
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| 作者单位： | 上海城建市政工程(集团)有限公司 |
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| 摘 要： | 上海地区土层中广泛分布②3层灰色砂质粉土,该土层局部夹大量粉砂,施工时易产生流砂、管涌等现象。本文结合上海地铁工程施工实际,详细介绍和分析了盾构进、出洞过程中采用真空井点降水止水的方法,可为类似工程提供参考。
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| 关 键 词： | 真空降水 盾构进、出洞 漏水 微承压水 沉降 降水止水 |
Well Point Dewatering for Metro Shield Break in/out Construction in Shanghai |
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| Xia Chenhuan,Zheng Jie,Wu chuxing. Well Point Dewatering for Metro Shield Break in/out Construction in Shanghai[J]. Underground Engineering and Tunnels, 2012, 0(2): 38-41,69 |
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| Authors: | Xia Chenhuan Zheng Jie Wu chuxing |
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| Affiliation: | Xia Chenhuan,Zheng Jie,Wu chuxing |
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| Abstract: | In Shanghai area,the ②3-layer of gray sandy silt is widely distributed.Due to this soil layer is partly with a lot of silty sand,it is easy to produce the flow of sand,piping and other adverse situations in construction.In this paper,combined with the construction practice of Shanghai metro,details and analysis are made to vacuum well point dewatering method and process during the shield break in/out construction,which can provide a reference for similar projects. |
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