劈裂灌浆和灰土挡墙加固宝中铁路黄土地基  

Reinforcement of Baoji-Zhongwei Railway Loess Foundation with Splitting Grouting and Lime-soil Retaining Wall

作　　者：曾龙广[1] 杨有海[1] 郭彦荣[1] 

机构地区：[1]兰州交通大学土木工程学院,兰州730070

出　　处：《路基工程》2010年第2期206-208,共3页Subgrade Engineering

摘　　要：以宝中线一段湿陷性黄土地基加固工程为例,简要分析了黄土地基沉降的原因,并介绍了劈裂灌浆和灰土挡墙相结合的加固方法及施工工艺。检验证明,该法对湿陷性黄土地基具有较好的加固效果。Taking reinforcement engineering of collapsible loess foundation section of Baoji-Zhongwei Railway for example, this paper briefly analyzes the reasons for loess foundation settlement and introduces the reinforcement method and construction technology combined with splitting grouting and lime-soil retaining wall. It is proved from verification that this method has better effect for reinforcement of collapsible loess foundation.

关 键 词：湿陷性黄土 地基处理 劈裂灌浆 灰土挡墙 

分 类 号：U213.152.2[交通运输工程—道路与铁道工程] TU475.3[建筑科学—结构工程]