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- W2157102198 abstract "고속선 교량신축부에서의 궤도틀림 저감방안에 대한 연구가 요구되고 있다. 교량상 궤도틀림은 교량상판 신축부에서부터 발생되어 점차 확산되는 특성을 가지고 있으며, 이는 교량상판의 온도신축과 열차운행에 따른 교량의 동적 거동이 원인으로 분석된다. 본 논문에서는 교량신축부 궤도틀림 저감방안으로 제시되고 있는 여러 방안 중 신축부에 종방향 활동체결구 설치하는 방안과 침목을 결속하는 방안, 도상안정제를 도포하는 방안 등에 대하여 고속선에서 현장 시험부설을 시행하고, 시행 전 후의 장기간 궤도틀림 및 보수작업주기를 분석하였다. The reduction strategies of the track irregularity in the bridge expansion joint zone are an important issue in the ballasted track on the high speed railway bridge. In general, the track irregularity on the railway bridge occurs at the expansion joint zone and is more spread across the bridge. This is due to the dynamic behavior from the train-induced dynamic impact and thermal expansion of the bridge. In this paper, field testing of the several methods for reducing the track irregularity on the bridge expansion joint zone such as the zero longitudinal restraint(ZLR), tied sleeper and ballast stabilizer is conducted. And then the progress of the track irregularity and the frequency of the maintenance work before and after the filed test construction are investigated." @default.
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- W2157102198 date "2013-10-31" @default.
- W2157102198 modified "2023-10-18" @default.
- W2157102198 title "A Study on the Reduction Methods of the Track Irregularity in High Speed Railway" @default.
- W2157102198 doi "https://doi.org/10.9798/kosham.2013.13.5.285" @default.
- W2157102198 hasPublicationYear "2013" @default.
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