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이차돈 ( Lee¸ Chadon ),정상모 ( Chung¸ Sang-mo ),원종필 ( Won¸ Jong-pil ),이승환 ( Lee¸ Seung-hwan ),방정환 ( Bang¸ Jeong-hwan ) 한국구조물진단유지관리공학회 2002 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.6 No.2
Experiments were performed in order to examine the effectiveness of strengthening the reinforced concrete beams by the method of Near Surface Mounted(NSM) fiber reinforced plastic rebars(FRP rebars). Test results showed that NSM strengthening method with FRP rebars inserted directly into the grooves adequately increased the flexural strength. Using the theoretical model, parametric studies were performed. It was theoretically observed that identical flexural behavior of strengthened beams can be obtained if the concept of equivalent sectional areas based on the ratio of moduli of elasticity between different FRP rods is used.