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Abstract: In order to assess the difference in performance of pavements under conventional loading and accelerated loading, in this paper, based on the characteristics of pavement strain recovery in accelerated pavement tests (APTs), we define accelerated loading and conventional loading in pavement permanent deformation research. The finite element method is then used to establish a flexible contact model between tire and asphalt pavement. By using simulation, the difference in dynamic stress and rutting of a pavement under the two different loadings is studied. It is discovered that if the APT forms an accelerated loading effect, the pavement will produce deeper rutting under the same axle loading cycle.

加速加载对路面应力响应和车辙的影响

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