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THE CONSTRUCTION OF THE HAND- DUG HOLE- FILLING PILE IN THE RESIDUAL SOIL
Author(s): 
Pages: 28-30
Year: Issue:  2
Journal: HUBEI GEOLOGY & MINERAL RESOURCES

Keyword:  人工挖孔桩残积土层砖拱扩底;
Abstract: 人工挖孔桩是当今大直径灌注桩中最经济的桩型之一.采用扩底施工技术,是提高桩的承载力、降低工程造价和缩短工期的最佳途径.按常规只有在较好的粘土、岩层中进行扩底施工.本文介绍了我院打破常规在松散残积土层采用砖拱支护扩底施工的成功尝试.
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