钻孔压浆桩基础质量事故处理实践  

Practice of Quality Accident Treatment for High Pressure Bored Pile Foundation

作　　者：欧阳继胜 宋鸿[2] 

机构地区：[1]湖北省鄂西北地质矿产调查所,湖北襄阳441002 [2]湖北省宜昌地质勘探大队,湖北宜昌443100

出　　处：《探矿工程（岩土钻掘工程）》2013年第8期50-53,共4页Exploration Engineering:Rock & Soil Drilling and Tunneling

摘　　要：分析了襄阳市某综合楼钻孔压浆桩基础质量事故的原因,介绍了采用新增CFG桩,与原钻孔压浆桩、桩间土形成复合地基的处理方案及其效果。实践表明,处理方案可行有效。This paper analyzes the causes of quality accident of high pressure bored pile foundation of a comprehensive building in Xiangyang and introduces the treatment scheme,which is the composite foundation of the original borehole grouting pile and soil between piles with new CFG pile.The practice shows that the scheme is feasible and effective.

关 键 词：钻孔压浆桩 CFG桩 复合地基 承载力特征值 

分 类 号：TU473.14[建筑科学—结构工程]