摘要
近年来,微型CFG桩复合地基作为一种地基加固处理方法,在工程中得到了广泛的运用。桂林地区地质复杂-溶沟发育且埋深较大,常存在软弱夹层地层,而微型CFG桩施工长度一般在3~5m左右,仅采用微型CFG桩有时又无法满足设计要求,需结合其他处理方法。结合工程实例,提出了微型CFG桩和水泥压力注浆共同处理的方法,并对其承载和变形特性进行分析,得到了一些结论,供施工参考。
The mini Cement-Fly Ash-Gravel columns receive wider applications in the soil improvement projects as a composite ground.The results of these applications have shown the achievements in the economics and the environment aspects.The length of a typical mini CFG column is between three（3）and five（5）meters.The application of this method in the Guilin area is usually limited due to the complexity of the karst terrain,which often involves soft weak layers in greater depths.One of the new applications is to combine with other method,such as,cement pressure grout method.The case history indicates that this combination meets the requirements of both bearing capacity and the deformation.This paper presents the project details.
出处
《土工基础》
2015年第1期45-48,共4页
Soil Engineering and Foundation
