沥青混合料具有典型的黏弹性能,首先对离散单元法进行了简要介绍,提出了采用这种方法分析沥青混合料粘弹性能的理论以及分析路线和方法,并对黏弹性能分析迭代过程中关键的时间间隔Δt的取值进行了重点的分析和讨论。最后通过实例,验证了应用离散单元法分析沥青混合料的优点。 Asphalt mixture has the typical viscoelastic properties. First, the discrete element method is briefly introduced. The theory of the viscoelastic properties of the asphalt mixture and the route and method of analysis are put forward. In the iterative process of viscoelastic properties analysis The key interval Δt values ​​were analyzed and discussed in detail. Finally, an example is given to verify the advantages of using discrete element method to analyze asphalt mixture.