Abstract
Abstract Transition curves are located between curve and straight section in railway. These transition curves are vulnerable to the ride comfort of passengers and safety of a vehicle because lateral acceleration, lateral jerk and rollvelocity increase as curvature and cant change along the transition curves. In this paper, ride comfort on the transitioncurve was calculated on the basis of lateral acceleration and roll velocity measurements. The evaluation of ride comfort was conducted according to the methodology specified in European Standard. The distribution characteristics of the comfort index were investigated for the korean conventional line from the evaluation results. The influenceof the curve radius and the vehicle speed on the ride comfort index was also investigated. Finally, the relationshipbetween ride comfort and the rate of cant changes on transition curves was analyzed. Key Words : Cant, Lateral acceleration, Radius, Ride comfort, Transition curve 본 논문은 국토교통부 국토교통과학기술진흥원에서 시행하는 철도기술연구사업의 “철도인프라의 유지보수를 위한 고속종합검측시스템 기술개발” 과제의 지원으로 수행되었음
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