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本文结合杭州地铁闸弄口车站深基坑工程降水施工中遇到的实际问题,阐述真空疏干与井点复合降水技术在地铁深基坑工程中的应用。该技术应用在具有典型性的砂质粉土+粉砂夹层+淤泥质粘土的地质构造中具有实际意义。
Combined with the practical problems encountered in the construction of the deep foundation pit of Zha Nong Kou Station in Hangzhou Metro, this paper describes the application of vacuum drainage and well point composite precipitation technology in the deep foundation pit project of the subway. This technique is of practical significance in geological formations with typical sandy silt + silt intercalation + silty clay.