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철근콘크리트 기둥의 축방향변형률
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  • 철근콘크리트 기둥의 축방향변형률
저자명
박종욱,권구정,김병일,이정윤,Park. Jong-Wook,Kwon. Koo-Jung,Kim. Byoung-Il,Lee. Jung-Yoon
간행물명
大韓建築學會論文集 : Journal of the architectural institute of Korea : Structure & construction / 構造系
권/호정보
2011년|27권 8호|pp.29-37 (9 pages)
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Plastic hinges are generally developed at both ends of reinforced concrete (RC) beams in the post-yield region. To complete the plastic deformation mechanism, column plastic hinges at the base of the structure are also required. The longitudinal axial strain in the plastic hinge regions of RC columns has a significant influence on the behavior of RC structures subjected to reversed cyclic loading. This strain affects energy dissipation in the hysteretic response by causing the sliding along interconnecting wide flexural cracks. In addition, the strain also influences on the deformability of RC structures. In order to investigate the effects of the axial force on the axial strain in the plastic hinge region of RC members, experimental and analytical study was performed with ten RC members subjected to reversed cyclic loading. The experimental and analytical results indicated that the axial force significantly decreased the axial strain in the plastic hinge region of RC members.