中文摘要：

为了正确预估沥青路面的永久变形，对沥青路面永久变形的非线性粘弹性有限元法进行了研究，推导了广义Maxwell模型的非线性粘弹性有限元法，建立了沥青路面永久变形的非线性粘弹-弹塑性本构模型，从弹性、非线性弹性、塑性、粘弹性、非线性粘弹性等方面对沥青路面的永久变形进行了分析，对沥青路面的永久变形进行了计算，并将计算结果和SHRP的计算结果以及SWK／UN轮辙试验结果进行了对比。计算结果表明：沥青路面永久变形的非线性粘弹-弹塑性本构模型是有效的，其路面变形计算值与SHRP的计算值相对误差为6．567％，与SWK／UN轮辙试验值相对误差为6．069％。

英文摘要：

In order to correctly predict the permanent deformation of asphalt pavement, nonlinear viscoelastic finite element method was studied, the finite element method of nonlinear viscoelas- ticity for generalized Maxwell model was deduced, a nonlinear viscoelastic-elastoplastic constitu-tive model of permanent deformation for asphalt pavementhen was set up, and the permanent de-formation of asphalt pavement was analyzed depending on its material properties, such as elasticity, nonlinear elasticity, plasticity, viscoelasticity and nonlinear viscoelasticity, etc. , the permanent deformation of asphalt pavement was simulated by using the model, SHRP and SWK/UN experiment, and the numerical results were compared. Comparison result shows that their relative error are 6. 567% and 6. 069% respectively, the model is effective. 6 tabs, 10 figs, 16 refs.