摘要
结合石太客运专线府东街框构中桥顶施工的工程实例,介绍了大跨度框构桥顶进的施工技术,从基础注浆加固、桥位降水、挖孔桩防护路基、线路加固方案、防线路横移措施、后靠背及顶稿布置、顶进及挖运土、顶进水平、方向控制及防栽(抬头)措施、拆除线路加固、恢复线路等方面分别进行了详细的阐述。
Taking the bridge top construction of Shijiazhuang-Taiyuan Passenger Dedicated Line Fudongjie frame as example, this paper introduces the jacking construction technology of large-span frame bridge from the foundation grouting, precipitation, digging pile subgrade protection, line reinforcement, anti-sliding measures after the line, the back and the top draft arrangement, jacking and digging the earth, jacking level, the direction control and prevention measures, planting(up) the demolition line reinforcement, restoration of the line in detail.
出处
《价值工程》
2017年第9期122-123,共2页
Value Engineering
关键词
大跨度
框构桥
顶进
线路加固
施工技术
large span
frame bridge
jacking
line reinforcement
construction technology
