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采用改进的轮轨冲击简化模型，对车轮扁疤引起的车轴附加载荷进行了系统的仿真研究，并对提速后货车车轮扁疤检修规范的修订提出了建议．
A simplified wheel / rail impact model was adopted to simulate the wheel axle additional load caused by wheel flaps. Some suggestions were put forward to revise the inspection rules of truck wheel flaps after speeding up.