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1概述轮轨相互作用的理论研究指出,轨道不平顺所引起的轮轨动力响应及其对行车安全性、平稳性和乘车舒适性的影响,均随行车速度的提高而显著增大。因此,在客运专线、高速铁路、城际铁路大量建设、运营的时期,如何采用科学的管理手段和方法来保持轨道的平顺状态是铁路工务部门面对的一个新课题和挑战。轨道养护维修目的在于对轨道
1 Overview The theoretical study of wheel / rail interaction shows that the wheel / rail dynamic response caused by track irregularity and its impact on driving safety, ride comfort and riding comfort are all significantly increased with the increase of driving speed. Therefore, how to adopt scientific management methods and methods to maintain the smooth track of railways is a new task and challenge the railway public works department faces in the period when a lot of passenger dedicated lines, high-speed railways and inter-city railways are constructed and operated. Track maintenance and repair aims at the track