Abstract：This paper analyzes the reasons for shrinking diameter and sinking hole of deep bored pile in soft foundation zone based on an example of deep bored pile in soft foundation zone for Dongxihu Interchange Bridge of Wuhan city detour road, sums up some practical, protective and technical measures and experience in resolving problems.
郭毅先，亢继龙. 软基地区深层钻孔桩施工缩径及塌孔事故的预防[J]. 铁道工程学报, 2003, 20(2): 122-124.
GUO Yi-xian, KANG Ji-long. PREVENTION FROM SHRINKING DIAMETER AND SINKING HOLE OF DEEP BORED PILE IN SOFT FOUNDATION ZONE. 铁道工程学报, 2003, 20(2): 122-124.
2003, Vol. 20 
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