3Allen R C.Strengthening of reinforced concrete beams with externally bonded composite laminates[J].ACI Structural Journal, 1999, 96(3): 212-220.
4Wu Zongsheng, Yoshizawa H.Analytical/Experimental study on composite behavior in strengthening structures with bonded carbon fiber sheets[J].Journal of Reinforced Plastics and Composites, 1999, 18(12): 1 131-1 155.
5Shin Yeong-Soo, Lee Chadon.Flexural behavior of reinforced concrete beams strengthened with carbon fiber-reinforced polymer laminates at different levels of sustaining load[J].ACI Structural Journal, 2003, 100(2): 231-239.