In this paper, the train’s wheel wear trend is discussed. To test, the second line of Tehran subway was selected, and In order to simulate, both of the tracks and fleet of this line were modeled in ADAMS/RAIL©. In different logged distances, the worn wheel profile was measured by Miniprof© and was used in simulation in order to make the simulation more accurate. After simulation process the wheel wear trend was determined and the accuracy of the results was proved by comparing them with field measurements, measured during three years. Using this method will result in determining the effects of the different model parameters on wheel wear and specifying optimum parameters in order to reduce wear rate. Moreover, it is possible to have better maintenance planning by determining wheel wear trend.

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