运营地铁轨道改造维修施工关键技术

On key technique for reconstruction and maintenance of subway rails in operation

简述了地铁轨道结构维修改造的类型,对地铁隧道内更换道岔施工和整治轨枕内的失效尼龙套管技术进行了探讨,以确保列车安全、平稳运行,并达到延长线路设备使用寿命的目的。

The paper indicates the maintenance and reconstruction types of subway rail structures, and explores the construction of the switch replacement and treatment for failure nylon bushings technique within sleeper in subway tunnels, so as to ensure the safety and stability of trains and prolong the lifespan of rail equipment.