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

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.