속도향상에 따른 텅레일 피로수명 산정에 관한 연구
Evalation on fatigue durability of tongue rail according to speed-up
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참고문헌
키워드
초록
본 연구에서는 현재 운행중인 철도 선로에 부설된 고정크로싱 분기기의 통과선 측 최대 통과속도 산정을 위하여 텅레일의 피로 내구성 평가를 분석하였다. 텅레일에서 속도향상이 고려된 열차속도에서의 설계하중을 고려하기 위하여 설계속도 200km/h에서 동적 충격률을 산정하여 최대윤중을 적용하였으며, FEM 구조해석을 위해 CATIAV5 프로그램으로 실척 모델링 및 구조해석을 실시하였다. 구조해석 결과, 텅레일 일반구간, 포인트 첨단부, 포인트 중앙, 포인트 탄성부를 포함한 전 영역에서 안전성을 확보하고 있는 것으로 분석되었다.
Abstract
In this study, the fatigue life evaluation of the tongue rail was analyzed to determine the maximum passing speed of the turnout rigid crossing line attached to the railway line. In order to consider the design load at the train speed considering the speed increase in the tongue rail, the dynamic load ratio was calculated at the design speed of 200 km/h and the maximum wheel load was applied. For the FEM structure analysis, Respectively. As a result of the structural analysis, safety is secured in all areas including the general section of the tongue rail, the point of tip sector, the center of the point, and the point of elasticity.
참고문헌 (12)
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