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城市轨道交通线路里程少,站距短,轨道负荷、轨道破坏形式和特点与干线铁路有很大的不同;我国城市轨道交通运营历史短,国外城市轨道交通出现的轨道维修问题在我国尚未凸现出来。在我国城市轨道交通快速发展的今天,在城市轨道交通的维修体制、技术手段尚不建全的情况下,对于今后采用何种维修策略,如何保持轨道线路的良好状态等问题将逐步出现在我们面前。为此,本刊特别编译了一篇国外关于保持地铁轨道良好状态的文章,旨在抛砖引玉,并从中得到有益的启示。
Urban rail transit lines less mileage, short station distance, track load, orbit damage form and characteristics of railways are very different from the main railway transit in China has a short history of rail transit in foreign countries orbit maintenance problems have not yet emerged in our country . In the rapid development of urban rail transit in our country today, with the repair system and technical means of urban rail transit still not yet built, the problems of what maintenance strategy will be adopted in the future and how to maintain the good condition of the railway line will gradually appear in us before. To this end, we compiled a special article on maintaining a good state of the subway track articles, designed to start a discussion, and get useful inspiration.