| 砂卵石地层地铁车站降水施工技术 |
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| 引用本文： | 王玉喜.砂卵石地层地铁车站降水施工技术[J].国防交通工程与技术,2014(3):71-73. |
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| 作者姓名： | 王玉喜 |
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| 作者单位： | 中铁六局集团桥隧分公司,北京100036 |
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| 摘 要： | 结合成都地铁2号线东门大桥车站降水施工实例，根据第四系全新统冲积层（Q4al）砂卵石层具较强的渗透性的特点，采用大口径管井降水施工方案。在分析了使用大口径管井降水施工方案可行性的同时也阐明了施工技术要点和施工工艺，对于类似土层降水施工具有一定的指导意义。
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| 关 键 词： | 砂卵石地层 地铁车站 管井降水 |
The Dewatering Techniques for the Construction of the Subway Station in the Sand and Gravel Stratum |
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| Wang Yuxi.The Dewatering Techniques for the Construction of the Subway Station in the Sand and Gravel Stratum[J].Traffic Engineering and Technology for National Defence,2014(3):71-73. |
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| Authors: | Wang Yuxi |
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| Institution: | Wang Yuxi (The Bridge and Tunnel Company of the Sixth Bureau Group of China Railway,Beijing 100036,China) |
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| Abstract: | With the dewatering construction of the East Gate Bridge Station of Line 2 of Chengdu Metro as a practical example, according to the characteristics of the Quaternary Holocene alluvium （Q4al） sand and gravel with great permeability and stabili- ty, the large-diameter-well-dewatering construction scheme is used for the construction of the East Gate Bridge Station of Line 2 of Chengdu Metro. The feasibility of the construction scheme is analyzed in the paper, with its important points of construc- tion techniques and construction processes dealt with. The paper may serve as a useful guide for the dewatering construction of other projects in similar strata. |
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| Keywords: | sand and gravel stratum subway station well dewatering |
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