To study the flexural performance of B/CFRP-SSRPC structures， four-point bending tests were conducted on 5 B/CFRP-SSRPC beams taking reinforcement ratio and beam section height as research factors， the influence law of research factors on the ultimate bearing capacity， mid-span deflection， and failure mode of B/CFRP-SSRPC beams was explored. The test results show that increasing the reinforcement ratio only improved the flexural performance of test beams after cracking， while increasing the beam section height improved beam flexural performance before and after cracking， and the improvement of beam flexural performance before cracking was more obvious； all test beams exhibited brittle failure， and the failure mode was closely related to the reinforcement ratio； the current design codes for FRP reinforced concrete structures in both China and the United States underestimated the flexural and shear capacity of B/CFRP-SSRPC beams， and the calculation error was affected by the failure mode and shear span ratio of the test beams， respertively.