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Drawdown Design of Foundation Pit for Fuzhou Airport′s Aviation Building
Author(s): 
Pages: 30-34
Year: Issue:  4
Journal: Geotechnical Investigation & Surveying

Keyword:  滨海 厚层细砂含水岩组 基坑降水 方案设计;
Abstract: 对滨海风积沙平原,在富水的厚层细砂含水岩组水文地质条件下的大面积基坑降水工程,没有同类经验可以借鉴,可选择的方法有大井法、管井法、点井法(真空点井、喷射点井、电渗点井)、辐射井法、明排井(坑)法,一般要进行多个方案的比较。本文通过工程实例,在抽水试验的基础上,提出采用管井封闭降水方法,解决了大面积基坑降水的难题。
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