既有线铁路箱形桥线路加固施工工艺

Track reinforcement construction technology of existing line railway box bridge

为了保证既有线路基边坡稳定和行车安全,箱形桥施工前采用D24 m型便梁对既有线进行了防护加固,对该工艺的特点、原理、适用范围、操作流程及施工要点进行了总结,通过该工艺的应用顺利完成了箱形桥施工,达到了预期目的。

In order to ensure the slope stability and driving safety of existing lines,before box bridge construction used D24 m type auxiliary girder made reinforcement and protection to existing lines,summarized the features,principle,application scope,operation process and construction main points of this process,through the application of this technology successful completion of box bridge construction,achieved expected goal.