It is concluded that the Coulomb-type crack model is suitable for simulation of the interfacial fracture under mixed-mode fracture loads, however further work is still needed for improvement of its dilatancy properties.

• 通过对数值结果的分析比较得出结论：库仑型裂纹模型比较适合模拟复杂载荷下的界面断裂行为，但是其扩容特性仍有待改善。