Railway car dynamic response to track transition curve and single standard turnout

Abstract

In this paper vehicle dynamic responses to clothoidal, sinusoidal and parabolic types of transition curves are considered. The responses such as vehicle motion and wheel-rail forces are significantly dependent on the type of curve. Also the dynamic interaction between the railway car and a track on a switch and a crossing of a standard turnout is considered. It was made for car-running direction "on" and "from" a switch facing point, and for nominal and geometrically imperfect track. The results imply the conclusion that specific transition curve and turnout parameters create a vital cause of dynamic interaction growth between a vehicle and a track.