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在试验研究的基础上，建立了岩石与混凝土结合面三维裂缝扩展的强度准则；运用上述强度准则及有限元分离裂缝模型提出了拱坝开裂的计算方法，并给出了应用实例。
Based on the experimental study, the strength criterion of three-dimensional crack propagation on the interface between rock and concrete is established. Based on the above strength criterion and the finite element separation crack model, the calculation method of arch dam cracking is presented and the application examples are given.