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학술저널
저자정보
손동희 (한양대) 정다운 (한양대) 유무영 (대진대) 배백일 (한양사이버대) 최창식 (한양대)
저널정보
대한건축학회 대한건축학회논문집 大韓建築學會論文集 第38卷 第11號(通卷 第409號)
발행연도
2022.11
수록면
307 - 315 (9page)

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This study aims to verify the possibility of replacing the transverse reinforcement in the exterior beam-column joint where the developed headed bar with volume fraction of steel fibers, and to evaluate its seismic performance via experiment. Three specimens were fabricated using joint transverse reinforcements and steel fiber as variables and reversed cyclic loading tests were performed. As a result of this experiment, it showed the same failure pattern as the details of the special moment frame specimen when the transverse reinforcements were not placed at the joint due to the incorporation of steel fibers. According to the volume fraction of steel fibers, the effective stiffness of the specimen increased by about 20%, and the maximum strength also increased by 3.5% compared to the specimen with transverse reinforcement. Upon analyzing the contribution to the anchorage of the headed bar, it was found that the contribution due to bond increased when the steel fiber was mixed. As a result of the seismic performance evaluation according to ACI 374, the seismic performance of the beam-column joints was satisfied when the development length of the headed bar was reduced and when sufficient transverse reinforcing bars were provided. In addition, the seismic performance was secured when steel fibers were used instead of transverse reinforcement.

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Abstract
1. 서론
2. 실험계획
3. 실험결과
4. 접합부 내진성능평가
5. 결론
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