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논문 기본 정보

자료유형
학술저널
저자정보
김민구 (금오공과대학교) 곽윤근 (금오공과대학교) 강현구 (오클라호마대학교) 홍성걸 (서울대학교) 김우석 (오클라호마대학교) 권우현 (금오공과대학교)
저널정보
대한건축학회 대한건축학회 논문집 - 구조계 大韓建築學會論文集 構造系 第27卷 第6號
발행연도
2011.6
수록면
19 - 30 (12page)

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??Modern buildings are becoming taller and larger, and thus the use of high strength concrete has been increasingly adopted to produce a slender high-rise building. However, high strength concrete is very brittle which may not be acceptable for seismic design. The use of steel fibers in reinforced high strength concrete beam-column joints can improve seismic performance of beam-column joints and reduce the amount of joint transverse reinforcement that greatly complicates reinforcing fabrication in the joint with seismic details. To investigate the characteristics of reinforced high strength concrete beam-column joints using steel fibers and minimal joint transverse reinforcement, seismic testing of ten beam-column joint subassemblages was performed by applying two reversed cycles at each cycle up to 19 cycles. The primary variable was the amount of steel fibers and joint transverse reinforcement. The results of tests indicate that the seismic performance of the beam-column joints were improved with the application of steel fibers with 1 to 1.5% volume fraction that might replace at least one layer of closed joint transverse reinforcement, as the crack width control, load capacity, energy dissipation capacity, joint shear strength and ductility were better due to the steel fibers. Also, a new shear strength equation for a beam-column joint with steel fibers and minimal transverse reinforcement is proposed.

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Abstract
1. 서론
2. 실험의 개요
3. 실험결과 및 분석
4. 결론
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