한국산학기술학회논문지 (Journal of the Korea Academia-Industrial cooperation Society)

  • 제14권8호
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  • Pages.4068-4076
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  • 2013
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  • 1975-4701(pISSN)
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  • 2288-4688(eISSN)
한국산학기술학회 (The Korea Academia-Industrial cooperation Society)
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HEMU 430-X 주행특성을 고려한 호남고속철도 곡선궤도구조의 거동연구

Study on the Behavior of Curved Track in Honam High-Speed Line considering the Running Performanace for HEMU 430-X

  • 강윤석 (한국철도기술연구원 고속철도 인프라시스템 연구단) ;
  • 엄기영 (한국철도기술연구원 고속철도 인프라시스템 연구단) ;
  • 김석원 (한국철도기술연구원 차세대고속철도기술개발 연구단)
  • Kang, Yun-Suk (High-Speed Railroad Infrastructure System Research Team, KRRI) ;
  • Um, Ki-Young (High-Speed Railroad Infrastructure System Research Team, KRRI) ;
  • Kim, Seog-Won (Next High-Speed Railroad Systems Research Team, KRRI)
  • 투고 : 2013.05.30
  • 심사 : 2013.08.07
  • 발행 : 2013.08.31
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초록

열차가 주행할 때 발생하는 차륜-레일 상호작용력은 열차의 주행속도, 차량축중과 선형조건(곡선반경, 캔트) 등 여러 변수의 영향을 받는다. 구조물의 안정성을 확보하기 위해서는 증속이전에 각 변수별로 구조물에 대한 영향 평가가 필요하다. 최근 차세대고속철도사업으로 국내에서 개발된 HEMU 430-X는 지난 2013년 3월, 경부 2단계구간에서 최고 421.4km/h의 속도를 달성한 바 있다. 향후 호남고속선 Test-Bed 구간(오송기점 K.P 100-128km)에서 추가적인 증속주행시험을 하는 경우 동적효과 증가로 인한 동적하중증가와 원심하중에 의한 외측레일에 대한 궤도작용력에 대한 검토가 필요하다. 본 논문에서는 HEMU열차의 추진력, 실측주행저항과 호남고속선의 선로선형을 고려하여 TPS 분석을 수행하여 선로에서의 속도변화를 계산하였다. 그리고 HEMU 열차주행시 곡선구간에서의 원심하중과 충격계수를 고려한 궤도부담력을 평가하였다.

The wheel-rail interaction forces are influenced by the velocity of vehicle, wheel load, alignment (curve radius, cant etc). For the safety of track structure, it is required to evaluate the influences for track and influential factors. Recently, the HEMU 430-X, which was developed by Next Generation High-Speed Rail Development R&D Project, achieved 421.4km/h in a test run of Daegu.Busan section of the Gyeongbu high speed rail on March in 2013. In the case of additional speed-up test on Test-Bed Section(Gongju.Jeongeup: KP 100~128km Osong starting point), the analysis of track forces is required for outer rail by the increase of dynamic force and centrifugal force of vehicle. In this paper, the vehicle speed variation on HSL line is evaluated by TPS analysis considering the tractive effort of HEMU 430-X, tested running resistance and alignment of Honam HSR. And the track forces are evaluated by centrifugal force and impact factor on curved track.

키워드

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