灰土挤密桩处理湿陷性黄土地基在西铜高速公路中的应用

   颖,赵 

(陕西高速公路工程咨询有限公司,陕西 西安  710061;西安公路管理局,陕西 西安  710003

  要:灰土挤密桩是处理湿陷性黄土地基的主要方法之一。本文结合西铜高速公路中灰土挤密桩处理湿陷性黄土地基的工程实例,分析了灰土挤密桩处理湿陷性黄土地基的作用机理、施工控制要点及质量检测,介绍了灰土挤密桩在湿陷性黄土地基中的具体应用及施工质量检测方法。

关键词:地基处理湿陷性黄土灰土密桩复合地基

中图分类号:U419          文献标识码:A

Study on the Application of Lime-soil Compaction Pile in Collapsible

Loess Foundation in Xi’an to Tongchuan Highway

ZHANG YingZHAO Fei

Shaanxi Expressway Engineering Consulting Co. Ltd.Xi'an 710061China

Xi'an Highway AdministrationXi'an 710003China

AbstractLime-soil compaction pile is one of the main method of treatment of collapsible loess foundation. Combining with engineering examples of Xi’an to Tongchuan highway which using lime-soil compaction pile to deal with highway collapsible loess foundationthe paper analyzed the mechanism of the treatment of collapsible loess foundation with lime-soil compaction pileconstruction control and quality inspectionintroduced the application of lime-soil compaction pile and construction quality detection method.

Key wordsfoundation treatmentcollapsible loessdust dense pilescomposite foundation