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This article summarizes the following, based on the blind area of CFRP shear bearing capacity calculation and combined with several calculation methods given by some domestic scholars in recent years. the literature (1) derives the shear strength formula by the product of the elastic modulus and effective strain, which is got by simple fitting methods, of CFRP, the effective stress of CFRP.the literature (4) assumes that the carbon fiber tension occurs only in the fiber direction and considers that in the ultimate state, the fiber strain is less than its Failure strain, then we can use it as a known quantity of the effective strain for fitting to get the shear bearing capacity formula. The difference from the former two is what in the literature (5) , introduces the secondary stress influence coefficient due to the situation of reinforcement of the beam secondary stress to correct the CFRP strain for the derivation of its effective stress and shear strength formula.

Summary of methods to calculate the shearing resistance of CFRP