An Experimental Study on the Behavior of Exterior Beam-Column Joints with Steel Fiber Reinforced High Strength Concrete Subjected to Cyclic Loads

반복하중을 받는 강섬유보강 고강도 콘크리트 외측보-기둥 접합부의 거동에 관한 실험적 연구

The objective of this study is to investigate the hysteretic behaviors of exterior beam-column joints with high strength concrete (f'c≒1000kg/$\textrm{cm}^2$) subjected to cyclic loads. Four exterior subassemblages scaled down about 60% were tested, whose variables were with/without shear reinforcements and with/without slab and spandrel beams. Hoop bars and hooked steel fibers were used as the shear reinforcements. The test results showed that using hooked steel fiber reinforced concrete with volume ratio 1.5% at beam-column joints was very effective to resist shear stress due to cyclic loads.