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Damage Status of Turnout System with Wooden Sleeper of Concrete Track on Urban Transit

도시철도 콘크리트궤도 목침목 분기기의 손상현황

  • 최정열 (동양대학교 철도건설안전공학과) ;
  • 한경성 (서울교통공사 궤도2사업소) ;
  • 봉재근 (서울교통공사 궤도2사업소) ;
  • 장철주 (롯데건설) ;
  • 정지승 (동양대학교 철도건설안전공학과)
  • Received : 2019.09.18
  • Accepted : 2019.10.08
  • Published : 2019.11.30

Abstract

The purpose of this study is to investigate the damage status of wood sleepers on concrete track of urban transit at different locations and to analyze the causes of damages. In addition, the turnout maintenance history during the service period of about 24 years was analyzed in conjunction with the train passing tonnage and that was to compare the current repair history. The most frequent damage components were rail, tie plate, spike and wooden sleeper. And, the damage caused by the defect of the rail fastening system such as spike and tie plate according to the deformation of the wooden sleeper was analyzed as the main type of damage. As a result, the damage of track components of turnout system was on the increase because they are directly affected by the train passing tonnage. The supplementary points of the check sheet for current turnout maintenance were derived and the improvement proposal was suggested based on the research results.

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