| 大口径管井井点降水在沉井施工中的应用 |
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| 引用本文： | 刘长伟.大口径管井井点降水在沉井施工中的应用[J].国防交通工程与技术,2007,5(2):82-84,88. |
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| 作者姓名： | 刘长伟 |
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| 作者单位： | 中铁十九局集团有限公司第一工程有限公司,辽宁,辽阳,111000 |
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| 摘 要： | 介绍在淤泥质土层中下沉大型沉井时,采用大口径管井井点降水方法的理由和设计过程。施工实践表明该法有效地降低了地下水位,避免沉井在下沉和封底的过程中发生涌水、涌泥,确保了施工安全。
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| 关 键 词： | 沉井施工 管井井点 降水运行 |
| 文章编号： | 1672-3953（2007）02-0082-04 |
| 修稿时间： | 2007-03-06 |
On How to Lower Ground Water at Large-bored Pipe Wells During the Construction of Sinking Wells |
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| LIU Chang-wei.On How to Lower Ground Water at Large-bored Pipe Wells During the Construction of Sinking Wells[J].Traffic Engineering and Technology for National Defence,2007,5(2):82-84,88. |
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| Authors: | LIU Chang-wei |
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| Institution: | The 1st Engineering Co. Ltd. of the 19th Bureau Group of the Railway Building Corporation of China, Liaoyang 111000, China |
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| Abstract: | Both the reasons for using large-bored pipe wells to lower underground water during the construction of lowering sinking wells in silt stratification and the design process are dealt with in the paper.Construction practice proves that the method can effectively lower underground water and prevent the gush of water and mud during the lowering and hole-closing operations of sinking wells so as to ensure construction safety. |
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| Keywords: | the pipe well site for the construction of sinking wells ground water-lowering operation |
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