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采用弹塑性有限元法，分析研究了混凝土与基岩胶结面的不同平均应力抗剪断强度对应的真实抗剪断强度，以及混凝土和基岩弹性模量取值对计算真实抗剪断强度值的影响．提出了一些可供现场抗剪断试验和工程设计时选择抗剪断强度的参考意见．
Using the elasto-plastic finite element method, the real shear strength corresponding to the different average shear strengths of the interface between the concrete and the bedrock is analyzed. The influence of the elastic modulus of the concrete and the bedrock on calculating the true shear strength is analyzed. Some suggestions are put forward for selecting shear strength at site during shear resistance test and engineering design.