4Wight R G, Green M F, Erki M-A, Prestressed FRP Sheets for Poststrengthening Reinforced Concrete Beams. Journal of Composites for Construction, 2001(11): 214-220
5Yang Yongxin, Yue Qingrui. Experimental Study of BC Beams Strengthened with Prestressed CFRP Sheets//The Eighth International Symposium on Structural Engineering for Young Experts. Xuzhou:2004
6Guide for the desing and construction of externally bonded FRP sys tem for strengthening concrete structure,2000.