Abstract
In case of fitting gcomctric model of pavement rutting to the real data, the model of a high order function has the well advantage of fitness. However, it also has the disadvantage of varsatility. In this study, we developed the pavement rutting models with quadratic function and spline function for quantification of pavement rutting characteristics on road surface. The two developed models are verified in respsct of the adaptability of these shapes and the accommodation for the simulation method of the vehicle dynamics using the road profie date of the PIARC EVEN experiment in 1998. As a result, it is indicated that the spline function is applicable for representing pavement rutting characteristics.
