This paper makes an improvement upon the rigid bogie model of the Creep Center Method, gives the calculated curves and the fitted formulas for the typical curving behaviors, analyses the influences of track geometry parameters on rail gage wear. 本文给出了刚性转向架模型的修正方法,给出了典型工况的计算结果图线及拟合公式,进而对不同的轨道参数对钢轨侧磨的影响进行了分析。