地下重力水对钻孔桩施工质量影响及其对策

Influence of Underground Gravity Water on Construction Quality of Cast-in-place Piles and Countermeasures

通过对特殊地质结构中水泥混凝土灌注桩施工质量缺陷原因进行的详细分析 ,阐述了地下潜流层以及承压水流对水泥混凝土灌注桩施工质量的影响机理 ,并提出了针对性对策。

Reasons of construction quality disadvantages of cas t- in-place piles in special geologic structures are analyzed in details. The influ ence mechanism of construction quality of cast-in-place piles affected by underf low aquifer and confined groundwater are described. The corresponding countermea sures are presented.