| 高层建筑深基坑开挖井点降水施工技术 |
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| 引用本文： | 王玮,王宁.高层建筑深基坑开挖井点降水施工技术[J].石家庄铁道学院学报,2005,18(3):121-123. |
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| 作者姓名： | 王玮 王宁 |
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| 作者单位： | [1]上海市城市排水有限公司,上海200070 [2]上海水环境建设有限公司,上海200000 |
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| 摘 要： | 结合某高层建筑的工程地质和水文地质条件，分析了对基坑开挖支护及井点降水的要求，采用外防内抽水的降水方式，在坑外水位下降不大的情况下，观测井的水位观测对控制周边建筑物及周边地面下沉起到了有效的控制作用，保证了工程施工期间的安全，加快了施工进度，节约了降水运行成本。
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| 关 键 词： | 高层建筑 基坑 井点降水 施工技术 |
| 文章编号： | 1006-3226（2005）03-0121-03 |
| 收稿时间： | 2005-03-19 |
| 修稿时间： | 2005年3月19日 |
The Well-point Dewatering Technique in Deep Foundation Pit for a High- rise Building |
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| Wang Wei, Wang Ning,.The Well-point Dewatering Technique in Deep Foundation Pit for a High- rise Building[J].Journal of Shijiazhuang Railway Institute,2005,18(3):121-123. |
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| Authors: | Wang Wei Wang Ning |
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| Institution: | 1.Shanghai Urban Drainage Co. Ltd.,Shanghai 200070, China;2.Shanghai Water Environment Construction Co. Ltd. , Shanghai 200000,China |
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| Abstract: | Based on the engineering and hydrologic conditions of a high - rise building, the requirements in foundation pit support and well - point dewatering are introduced. Through a combination of pumping and water proof measures, the settlement of the ambient buildings and ground was effectively controlled while the water table outside the foundation pit was not considerably declined. Thus construction safety is guaranteed, construction progress accelerated, and dewatering cost decreased. |
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| Keywords: | high- rise building foundation pit well- point dewatering construction technique |
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