一、绪言 影响车辆平稳走行的轨面损伤,有车辆和钢轨接触疲劳而引起的伤痕(剥落),波浪磨耗,车轮空轨的损伤,材质缺陷而造成的剥离等。 这些轨面损伤,不仅使轨道受到影响;而且降低乘车舒适度,并产生噪声公害。 通常,解决上述问题的措施是更换损伤部 I. INTRODUCTION Rail damage that affects the smooth running of a vehicle, flaws (flaking) caused by contact fatigue of the vehicle and the rail, waviness of the waves, damage of the empty track of the wheel, peeling caused by material defects, and the like. These rail damage, not only to track the impact; and reduce ride comfort, and produce noise pollution. In general, the solution to the above problem is to replace the lesion