Journal of the Korean Society for Railway (한국철도학회논문집)

The Korean Society for Railway (한국철도학회)
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Experimental Study on the Evaluation of Behavior for Floating Track System Using a Resilient Rubber Mat

고무방진매트가 적용된 플로팅궤도시스템의 거동분석을 위한 실험적 연구

  • Lee, Siyong (Graduate School of Railway, Seoul National University of Science & Technology) ;
  • Jeong, Incheol (Graduate School of Railway, Seoul National University of Science & Technology) ;
  • Choi, Jungyoul (Graduate School of Railway, Seoul National University of Science & Technology) ;
  • Park, Yonggul (Graduate School of Railway, Seoul National University of Science & Technology)
  • Received : 2014.07.21
  • Accepted : 2014.08.13
  • Published : 2014.08.31
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Abstract

The objective of this study was to estimate the vibration reduction capacities of a floating track system using a resilient rubber mat, and to compare the results with the track support stiffness and track impact factor of a conventional slab track system by performing field tests using actual vehicles running along a service line. The theoretically designed track support stiffness and track impact factor were compared with the measured track support stiffness and track impact factor for each tested track. The calculated and measured track support stiffness of the floating track system were found to be similar, and the floating track system satisfied the design specifications of the track impact factor. The overall vibration level and track support stiffness of the floating track system were thereupon found to be significantly lower than those of the conventional slab track system. The experimental results thus showed that the vibration reduction effect of the floating track system is greater than that of the conventional slab track.

본 연구는 고가정거장 구간에 부설된 고무방진매트 플로팅궤도시스템의 방진성능 및 적용효과를 실험적으로 입증하고자 고무방진매트가 적용되지 않은 개소와 비교 측정을 수행하였다. 또한 고무방진매트 플로팅 궤도시스템의 측정 궤도지지강성 및 궤도충격계수를 산출하고 이론 및 설계치와 비교하여 현재 시공된 고무방진매트 플로팅궤도시스템에 대한 궤도상태의 건전성 및 궤도 충격의 수준을 평가하였다.

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References

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