Abstract
Many studies have focused on the flexural behavior of conventional reinforced concrete (RC) beams strengthened with fiber reinforced polymer (FRP) bonded on the bottom surface; however, rare attempt is made to strengthen RC beams with FRP bonded on the side surface, furthermore, as for the comparative study of the both is even more scarce.Based on the existing bending experimental data of RC beams externally strengthened with FRP, the flexural capacity calculation formula of normal section of RC beams strengthened with FRP bonded on the side or bottom surface was deduced in the paper. In addition, a comparative analysis on the strengthening effect between bottom bonded FRP and side bonded FRP was made. The results indicated that the ultimate load-carrying capacity of the former was slightly lower than the later.
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