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在高速铁路无砟轨道结构中,作为轨道结构最重要组成部件的钢轨伤损时有发生。以上海局管内已开通运营的沪宁城际、沪杭高铁、京沪高铁上发现的钢轨伤损为例,总结高速铁路开通运营初期钢轨伤损的特点,分析伤损产生的原因,提出针对性对策措施,为高速铁路养护维修,特别是开通运营初期的高速铁路钢轨养护维修提供经验。
In the high-speed railway ballastless track structure, as the most important component of the track structure of the rail injuries occur from time to time. Taking the rail injuries found on the Shanghai-Nanjing inter-city, Shanghai-Hangzhou high-speed rail and Beijing-Shanghai high-speed rail lines opened and operated in Shanghai as examples, this paper summarizes the characteristics of rail injuries during the initial operation of high-speed railways and analyzes the causes of injuries. Sexual countermeasures for the maintenance of high-speed railway maintenance, especially in the early opening of high-speed railway rail maintenance and repair provide experience.