京津城际轨道交通工程路基地基加固施工探讨  

Study on the subgrade foundation reinforcement construction of Jingjin inter-city rail transit engineering

作　　者：赵君[1] 

机构地区：[1]中铁十八局集团

出　　处：《山西建筑》2008年第18期295-296,共2页Shanxi Architecture

摘　　要：结合具体工程实例,阐述了PHC预应力管桩在高速铁路施工中的应用,介绍了PHC预应力管桩的施工方法,深入探讨了路基的沉降观测,并列出了具体的观测结果,指出必须严格控制路基的工后沉降和沉降率,才能保证轨下基础刚度的均衡过渡。Combined with the concrete engineering example, the paper describes the application of PHC prestressed pipe pile in the expressway construction, introduces the construction method of PHC prestressed pipe pile, studies the settlement observation of the subgrade, lists out the concrete observation results, points out that only the subgrade settlement and the sedimentation rate are strictly controlled, can the balance transition of the stiffness of the foundation under rail be ensured.

关 键 词：路基 PHC管桩 沉降 观测 

分 类 号：U416.1[交通运输工程—道路与铁道工程]