This study was conducted to investigate the confinement effect of circular specimens were confined to fiber composites (CF, GF, P·E·T, etc.). According to the test results, the cylinders strengthened with CFRP and GFRP showed improved strength and ductility when compared with the control cylinder. As the number of FRP sheets increased, load-carrying capacity increased, but ductility decreased. The specimen strengthened with PET indicated negligible strength improvement, but showed substantial ductility.

• 이초롱(강남대학교 건축공학과, 학사과정) | Lee, Cho Rong
• 하상수(강남대학교 건축공학과 부교수, 공학박사) | Ha, Sang Su