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TESTING AND ANALYSIS OF THE EFFECT ON FOUNDATION PIT WATER- SEALED CURTAIN FOR TIANHUI BUILDING OF GUANGZHOU CITY
Author(s): 
Pages: 23-27
Year: Issue:  2
Journal: GUANGDONG GEOLOGY

Keyword:  基坑止水帷幕搅拌桩单管旋喷桩止水效果检测分析广州;
Abstract: 广州市天辉大厦基坑止水帷幕采用搅拌桩,完工后采用抽水试验方法检测,发现止水失败.钻孔抽心发现部分搅拌桩桩底吊脚,后经单管旋喷桩处理,终未能止水成功.止水失败的原因为:(1)钻孔桩在砂层中砼扩散,搅拌桩不能达到设计深度;(2)未严格按设计对照地质资料施工;(3)单管旋喷桩在止水处理中有局限性.
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