铁路既有线提速改造中的主要问题

Main Problems and Countermeasures to the Existing Railway for Increasing Speed

对铁路既有线提速线路中线路、轨道、路基和桥涵工程等站前工程中存在的一些主要问题进行了分析 。

In this paper, the main problems on the railway lines,rail,subgrade and bridge during increasing speed on the existing railways are analyzed The countermeasures are provided for problem solving