摘要
该文简要介绍了在不影响既有线运营的情况下,采用顶进法施工下穿既有铁路箱形桥中,有关既有线路加固、顶力计算方法、后背设计、滑床的地基处理及施工中常见问题的处理。
The article briefly introduces the reinforcement of the existing railways,the calculation method of jacking force,the design of the back,the subgrade treatment of slip bed and the common problems of construction in underpassing the box bridge of the existing railway by the jacking process under the condition of not influencing the operation of the existing railways.
出处
《城市道桥与防洪》
2009年第7期140-141,共2页
Urban Roads Bridges & Flood Control
关键词
既有铁路
箱形桥
顶进施工
线路加固
后背
滑床
existing railway,box bridge,jacking construction,railway reinforcement,back.Slip bed
