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郑西高铁自从2010年2月6日开通运营以来,至今已三年有余。在养护维修过程中,逐步发现工务设备存在着一些新问题。如:道床板与支撑层离缝拱起就是较典型的病害,该病害造成线路高低不平顺,产生晃车现象。本文从无砟轨道道床板与支撑层离缝拱起病害的易发地段和成因入手,提出了一套行之有效的整治方法。该方法可为其他层状结构无砟轨道出现同类问题整治可以提供参考。
Since the opening and operation of Zhengxi High Speed Railroad on February 6, 2010, it has been more than three years. In the process of maintenance and repair, gradually found that there are some new problems in public works equipment. Such as: Road bed board and support layer from the arch arching is a more typical disease, the disease caused by irregular lines, resulting in the phenomenon of motorcycle. This article starts from the easy-to-send section and causes of the arching disease of ballastless track bed board and support layer, and puts forward a set of effective remediation methods. The method can provide references for the similar problems in other ballastless track structures.