THE NEW ELEMENTS TO BE CONSIDERED IN THE MAINTENANCE STANDARD ACCORDING TO A SPEED-UP TENDENCY

초록

This study was conducted to understand the new elements to be considered in the future maintenance works according to the recent speed-up tendency of railway vehicles. RaNCES, the program for the numerical analysis, developed through the existing studies, was used to find out the factors greatly affecting the non-linear critical speed of vehicles. It was also mentioned what problems the current maintenance standard of the Korean National Railroad will have in the future. Finally, added were a few suggestions to solve these problems.