水下混凝土灌注桩浇筑卡管原因及防治措施

Causes of seized tube in under-water concrete cast-in-place pile construction and prevention measures

通过对水下混凝土灌注桩浇筑卡管原因进行分析,从四个方面找出了11种卡管的原因,涉及到作业人员、施工机具、原材料和施工工艺,同时提出了预防的措施及卡管现象发生后处理的方法。

Based upon reason analysis on seized tube accident in driven cast-in-place pile construction form four aspects the casing reasons are pointed out, which related to operators, construction equipments, raw materials and construction technology, meanwhile, some corresponding prevention measures and treatment methods are proposed.