临近高速公路桥梁深基坑开挖防护方案探讨

Discussions on Plan of Excavating and Protecting for Deep Foundation Pit near the Highway Bridge

通过对京石客运专线西北联络线跨京广铁路特大桥深基坑防护、开挖施工技术的总结,介绍了靠近既有线或高速公路深基坑防护以及开挖方案选择和具体施工要求。

By summerizing the construction technology of excavating and protecting for deep foundation pit in railway super major bridge for Northwest traverse railway of Jingshi（Beijing-Shijiazhuang） passenger-dedicated railways,which crosses Jingguang（Beijing-Guangzhou） railway,this paper introduces selection of construction plan and specific construction requirements for excavating and supporting deep foundation pit near existing highway or railway.