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Research and Result Analysis on Shanghai Metro Corrugation

机译：上海地铁瓦楞纸的研究与结果分析

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Compared to other cities, urban railway transit systems in Shanghai have been developed rapidly. Urban railway leads to more convenient travelling, but also causes various rail problems; typically rail corrugation is inevitable. To get continuous track of irregularity data and rail dynamics data, surveys including rail static tests and rail dynamic tests are carried out on Shanghai Metro, where rail corrugation is severe. With the obtained irregularity data, the wavelength and amplitude of rail corrugation can be analyzed. A comparative analysis is also made based on rail corrugation characteristics of different track structure and different line types to obtain the effects of rail structures on corrugation development rate. With track irregularity data and rail dynamics data, the effects of rail grinding on rail corrugation and rail dynamic parameters are analyzed.
机译：与其他城市相比，上海的城市轨道交通系统发展迅速。城市铁路带来更便捷的出行，但同时也引起各种铁路问题。通常，铁路波纹是不可避免的。为了连续跟踪不规则数据和轨道动力学数据，在轨道波纹严重的上海地铁上进行了包括轨道静力测试和轨道动态测试在内的调查。利用获得的不规则数据，可以分析轨道波纹的波长和幅度。根据不同轨道结构和不同线型的轨道波纹特性进行比较分析，以得出轨道结构对波纹发展速度的影响。利用轨道不规则数据和轨道动力学数据，分析了轨道磨削对轨道波纹和轨道动力学参数的影响。

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