旋喷帷幕高压水切割高强注浆处理软土地区大直径钻孔桩缺陷施工技术

Construction Technique for Defects of Bored Pile with Major Dia. in Area Where Treating Soft Soil with Rotary-Cup Heavy Curtain and High Tensile Cement Paste Poured after Cutting Defect Position by High Pressure Water

介绍了软土地区采用旋喷帷幕、高压水切割、气举返渣、高压注浆处理软土地区大直径钻孔桩桩身缺陷的施工技术。

The paper introduces the construction techniques for defects of bored pile with major dia, in the area where treating the soft soil foundation with rotary - cup heavy curtain and high tensile cement paste poured after cutting the defect position by high -pressure water.