下穿铁路客运专线框构桥顶进施工技术

Jacking Construction Technology of Frame Bridge of Railway Passenger Dedicated Line

太原市府东街框构桥工程为下穿石太铁路客运专线顶进施工,施工难度大,技术复杂,安全风险极高。从施工技术角度,对设计沟通、施工方案优化、线路加固、路基加固、特殊部位处理等方面进行了全面归纳总结,对施工采用的新技术进行了介绍。

Frame bridge engineering in Fudong Street Taiyuan is through Shijiazhuang-Taiyuan Passenger Dedicated Railway Line and applies jacking construction. Its construction is difficult,has complex technology and high security risk.From the point of view of the construction technology,this paper summarizes the design communication,the construction scheme optimization,the reinforcement of the line,the reinforcement of the subgrade,and the treatment of the special parts.