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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.7
- 수록면
- 139 - 146 (8page)
이용수
이 논문의 연구 히스토리 (7)
2019
2018
철근 선조립 공법 기반 단면확대 보강기둥의 중심 축하중 거동 평가
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2018.12
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한국콘크리트학회 학술대회 논문집
2018.11
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V-타이를 적용한 단면확대보강 기둥의 휨 거동 해석
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한국콘크리트학회 학술대회 논문집
2018.05
학술대회자료
확대단면에서의 띠철근 배근 방법에 따른 보강 기둥의 중심 축하중 거동 평가
황용하
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심재일
외 1명
한국구조물진단유지관리공학회 논문집
2018.01
학술저널
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초록· 키워드
오류제보하기
This study examined the effect of various arrangement methods for forming peripheral closed hoops in the jacket section on the axial behavior of section enlargement strengthening columns. Four types of peripheral closed hoops arranged in the jacket section were prepared as follows: 1) Closed connection of prefabricated bar units (column P); 2) V-clip installation across the overlapped legs of channel-type bars (column V); 3) Use of glass fiber mesh for an alternative of steel bars (column F); and 4) combination of prefabricated bar units and glass fiber mesh (column PF). The V-clip is designed to form the closed hoops in the jacket section using the overlapped channel-type bars, preventing the opening of the channel bar legs. The glass fiber mesh is to examine the feasibility to apply for closed hoops in the jacket section as an alternative for steel bars, considering the easy construction. In the jacket section of all the strengthened columns, V-ties were arranged for supplementary ties, avoiding the interruption of the existing column. The axial stiffness and strength of the strengthened columns were insignificantly affected by the arrangement methods of closed hoops in the jacket section. The axial ductility ratio of the strengthened columns P, V, and PF was enhanced more than twice of that measured in the non-seismic existing column. However, the column F exhibited a lower ductility than the other strengthened columns because of the fracture of the mesh at the ultimate strength of the column. The V-clip approach was favorable to enhance the ductility of the strengthened column, preventing the opening of the legs of channel-type bars.
목차
Abstract
1. 서론
2. 중심축하중 실험
3. 실험결과 분석
4. 결론
REFERENCES
참고문헌 (12)
참고문헌 신청
ACI Committee 318 (2014). Building Code Requirements for Structural Concrete (ACI 318-14) and Commentary, American Concrete Institute, Farmington Hills, Michigan, USA.
Hwang, Y. H., Yang, K. H., Sim, J. I., & Choi, Y. S. (2018a). Evaluation of Axial Behavior of Columns Strengthened with Different Transverse Reinforcements in Jacket Section, Journal of the Korea Institute for Structural Maintenance and Inspection, 22(6), 81-88.
Hwang, Y. H., Yang, K. H., Sim, J. I., & Choi, Y. S. (2018b). Evaluation fo Axial Compressive Performance of Section Enlargement Strengthening Columns with Prefabricated Reinforcement Units in the Jacket Section, Journal of the Korea Concrete Institute, 30(6), 609-616.
Hwang, Y. H., Yang, K. H., Sim, J. I., & Choi, Y. S. (2018c). Evaluation of Axial Compressive Performance of Section Enlargement Strengthening Columns with Supplementary V-Ties and V-Clips in the Jacket Section, Journal of the Korea Concrete Institute, 31(5), publication in Oct.
Kwon, H. J., Yang, K. H., & Sim, J. I. (2018). Proposals of Reliable Shapes of Supplementary V-ties for Section Jacketing Method of Columns, Journal of the Korea Institute of Building Construction, 18(2), 99-107.
Hwang, Y. H., Yang, K. H., Sim, J. I., & Choi, Y. S. (2018a). Evaluation of Axial Behavior of Columns Strengthened with Different Transverse Reinforcements in Jacket Section, Journal of the Korea Institute for Structural Maintenance and Inspection, 22(6), 81-88.
Hwang, Y. H., Yang, K. H., Sim, J. I., & Choi, Y. S. (2018b). Evaluation fo Axial Compressive Performance of Section Enlargement Strengthening Columns with Prefabricated Reinforcement Units in the Jacket Section, Journal of the Korea Concrete Institute, 30(6), 609-616.
Hwang, Y. H., Yang, K. H., Sim, J. I., & Choi, Y. S. (2018c). Evaluation of Axial Compressive Performance of Section Enlargement Strengthening Columns with Supplementary V-Ties and V-Clips in the Jacket Section, Journal of the Korea Concrete Institute, 31(5), publication in Oct.
Kwon, H. J., Yang, K. H., & Sim, J. I. (2018). Proposals of Reliable Shapes of Supplementary V-ties for Section Jacketing Method of Columns, Journal of the Korea Institute of Building Construction, 18(2), 99-107.
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