旋挖钻孔灌注桩施工中常见质量问题分析

Analysis of Common Problems in Spinning Drill Pile Construction

列举了旋挖钻孔桩常见的桩孔偏斜、孔壁坍塌、沉渣过厚、颈缩、扩颈和断桩等质量问题,并对原因进行了分析,提出了相应的处理方法和预防措施。

The common problems in spinning drill pile construction are introduced including pile hole deflection,hole wall collapse,thick brokenbits of sink,away dissect,contractanlarse diameter and pile breaking.The reasons are analyzed.Treatments and preventive measures are put forward.