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Experimental Study on Characteristics of Deformation for Concrete Track on Railway Bridge Deck End induced by Bridge End Rotation

철도교량 단부 회전에 따른 콘크리트 궤도의 변형특성에 관한 실험적 연구

  • Lim, Jongil (Graduate School of Railway, Seoul National University of Science & Technology) ;
  • Song, Sunok (Graduate School of Railway, Seoul National University of Science & Technology) ;
  • Choi, Jungyoul (Dept. of Track and Railway Operations, Technische Universitat Berlin (TU-Berlin)) ;
  • Park, Yonggul (Graduate School of Railway, Seoul National University of Science & Technology)
  • Received : 2013.03.18
  • Accepted : 2013.05.24
  • Published : 2013.06.30

Abstract

In this study, by considering the rail fastening support distance and the distance between the bridge and the abutment, the behavior of concrete track installed on a railway bridge end deck and the bridge end rotation were analyzed. In order to analyze the track-bridge interaction, bridge and abutment specimens with concrete track structures were designed and used in laboratory testing. At a constant fastening support distance, an increase in the bridge end rotation caused an increase in the displacement of the rail. Therefore, the displacement of the rail directly affects the rail and clip stress. Further, it is inferred that the results of multiple regression analysis obtained using measured data such as angle of bridge end rotation and fastening support distance can be used to predict the track-bridge interaction forces acting on concrete track installed on railway bridge deck ends.

Acknowledgement

Grant : 콘크리트궤도가 부설된 철도교량상 장대 레일 축력저감 및 단부 사용성 확보를 위한 한국형 횡단궤도시스템 개발

Supported by : 한국건설교통기술평가원

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Cited by

  1. Evaluation of the Structural Behavior Characteristics and Long Term Durability for Transition Track Systems in Railway Bridge Deck Ends vol.17, pp.4, 2014, https://doi.org/10.7782/JKSR.2014.17.4.260