Three analogue method oftrackirregularity was introduced.
介绍了三种轨道不平顺的模拟方法。
2
In order to realize efficient maintenance oftrackirregularity, it is necessary to establish the optimized maintenance plan model and adopt large scale machineries to maintain railway tracks.
为实现高效的轨道不平顺养护维修，建立最优养护维修计划模型和采用大型养路机械进行作业是十分重要的。
3
The influence of train running speed, wheel-rail friction coefficient, vehicle load, track geometric irregularity, partly load, gauge and the shape of wheel tread on derailment was emphasized.