자갈도상 급곡선(R=60m)부 정척레일 이음매부 유지관리 연구

When constructing the urban railway, there is no provision about the minimum radius of curve which is admitted by the chief of local government. Sharp curved(R=60m) track has been installed in domestic and operated by a urban railway corporation. It has raised a track alignment irregularity which made it hard to operate and maintain. This study aims to show example of experience which is for enforcing the intension of a lateral track force using a strut in rail joint.