At present, the WIM systems were studied on the base of wheel load and axle load, this paper discussed the way of axle load.
目前汽车动态称重主要有检测轴载荷和轮载荷两种称重方法，本文使用轴载荷称重的方法进行动态称重技术的研究。
The results show that both of the wear rates of wheel and rail materials rise linearly with the increase of axle-load, and the wear rate of rail specimen is larger than wheel.
结果表明：轮轨试样磨损率均随轴重增加呈现线性增加趋势，且钢轨试样磨损率大于车轮试样磨损率。
The distribution of actual axle load and data of overload were obtained through traffic surveys and tests with the HPS portable wheel load scale.
通过交通量及交通组成调查，利用HPS便携式轮重仪进行现场轴重测试，得到车辆的轴载谱及超载的可靠数据。
When under the same axle load, if the wheel rolling speed gets higher, the adhesion coefficient declines as the ratio of the mean asperities contact pressure to the total pressure becomes smaller.
研究发现：相同轴重下，滚动速度越大，粗糙峰接触压力与总压力的比值越小，导致轮轨之间的粘着系数下降；
When under the same axle load, if the wheel rolling speed gets higher, the adhesion coefficient declines as the ratio of the mean asperities contact pressure to the total pressure becomes smaller.
研究发现：相同轴重下，滚动速度越大，粗糙峰接触压力与总压力的比值越小，导致轮轨之间的粘着系数下降；
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