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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.7
- 수록면
- 193 - 202 (10page)
이용수
초록· 키워드
오류제보하기
This study aims to evaluate equations for shear strength in Reinforced Concrete (RC) beams strengthened with fiber reinforced polymer (FRP). A total of 79 experimental results from previous researchers were collected and classified by strengthening method. The existing equations were then evaluated based on these results. The shear strength calculation formulas considered include those by Nanni and Dias for Near Surface Mounted (NSM) reinforcement using FRP rods, and those by ACI and FIB for lateral confinement using FRP sheets. The analysis revealed that for U-wrap lateral confining reinforcement, neither the ACI nor the FIB calculation formulas could safely predict the strength after shear strengthening. For full-wrap lateral reinforcement, the critical effective strain of 0.004 for FRP, as defined by ACI, appears to be underestimated compared to experimental results. In the case of NSM strengthening, Dias calculates the effective strain through an equation, while Nanni uses an experimentally determined average value of 0.0059. The significant difference in the experiment/calculation ratio for both indicates a need for further research.
목차
Abstract
1. 서론
2. 분석 대상 실험체
3. 외부부착 보강된 FRP의 전단강도 산정식
4. 표면매립 보강된 FRP의 전단강도 산정식
5. 결론
REFERENCES
참고문헌 (25)
참고문헌 신청
ACI Committee 440 (2017). Guide for the design and construction of externally bonded FRP systems for strengthening concrete structures, American Concrete Institute.
Akkaya, H. C., Aydemir, C., & Arslan, G. (2022). An experimental research on reinforced concrete deep beams fully wrapped with fiber reinforced polymers against shear. Case Studies in Construction Materials, 17, e01198.
Barros, J. A. O., & Dias, S. J. E. (2006). Near surface mounted CFRP laminates for shear strengthening of concrete beams. Cement and Concrete Composites, 28(3), 276–292.
Barros, J. A. O., & Dias, S. J. E. (2010). Performance of reinforced concrete T beams strengthened in shear with NSM CFRP laminates. Engineering Structures, 32(2), 373–384.
Choi, J. H., Kim, M. S., Kim, H. C., & Lee, Y. H. (2013). Evaluation of Shear Strength of Concrete Beams Reinforced with FRP Plates. Journal of The Architectural Institute of Korea Structure & Construction, 29(6), 13-20.
Akkaya, H. C., Aydemir, C., & Arslan, G. (2022). An experimental research on reinforced concrete deep beams fully wrapped with fiber reinforced polymers against shear. Case Studies in Construction Materials, 17, e01198.
Barros, J. A. O., & Dias, S. J. E. (2006). Near surface mounted CFRP laminates for shear strengthening of concrete beams. Cement and Concrete Composites, 28(3), 276–292.
Barros, J. A. O., & Dias, S. J. E. (2010). Performance of reinforced concrete T beams strengthened in shear with NSM CFRP laminates. Engineering Structures, 32(2), 373–384.
Choi, J. H., Kim, M. S., Kim, H. C., & Lee, Y. H. (2013). Evaluation of Shear Strength of Concrete Beams Reinforced with FRP Plates. Journal of The Architectural Institute of Korea Structure & Construction, 29(6), 13-20.
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