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비조밀 단면을 사용한 SC 합성 기둥의 압축 내력에 관한 실험적 연구
오명호(Oh Myoung-Ho),김평석(Kim Pyoung-Seok),김명한(Kim Myeong-Han),김대중(Kim Dae-Joong),김상대(Kim Sang-Dae) 대한건축학회 2004 大韓建築學會論文集 : 構造系 Vol.20 No.10
Steel-concrete composite column is a new composite column system, where links are welded between two flanges of H-shapes steel, and concrete is filled in space between two flanges. In this study, SC composite column composed of the noncompact section was tested in order to estimate its axial compressive capacity. The parameters of test were composite effect, the space of link, width-thickness ratio, and the shape of link. The results showed that SC composite column composed of the noncompact section increased the axial compressive capacity, that closer link space improved the post-ultimate load behavior, that the delay effect of the local buckling was improved by link and concrete. The plate link also improved the post-ultimate load behavior and the delay effect of the local buckling. The calculation of axial compressive capacity of SC composite column was suitable for the formula of Tremblay and the formula of ACI Code.