多向搅拌法在高速铁路软土地基加固中的试验与应用  

Experiment and Application of Multiple-direction Mixing Method in High-speed Railway Soft Foundation Reinforcement

作　　者：陈磊 

机构地区：[1]武汉谦诚建设集团有限责任公司,武汉430062

出　　处：《路基工程》2011年第4期120-122,共3页Subgrade Engineering

摘　　要：通过昆明铁路枢纽扩能改造工程K34+350～K37+700工程实例,介绍了多向水泥砂浆搅拌桩机加固软土地基的技术原理、设计要点、施工设备、施工工艺以及检测、试验与应用。实践证明:多向水泥砂浆搅拌桩的各项技术指标能够满足设计要求,能在高速铁路高填方软土地基加固中应用。Through the practical engineering of capacity expansion project K34＋350~K37＋700 in Kunming Railway,the proprietary technology,design points,construction equipment and construction process of cement mortar multiple-direction mixing pile as well as its detection,test and application in soft foundation reinforcement are introduced in this paper.The practice proved that each technical index of cement mortar multiple-direction mixing pile meets design requirement,which can be applied in high-filled soft foundation reinforcement of high-speed railway.

关 键 词：多向水泥砂浆搅拌桩 泥炭土 加固 复合地基承载力 

分 类 号：TU472.36[建筑科学—结构工程]