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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.19 No.2
- 발행연도
- 2025.3
- 수록면
- 405 - 419 (15page)
이용수
초록· 키워드
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During a numerical investigation conducted using ABAQUS software, various bond-slip models for the FRP-concrete interface were evaluated to accurately predict the shear contribution of FRP in strengthening reinforced concrete (RC) beams. Three established bond-slip models were chosen to develop finite element analysis models for the four FRP-strengthened beams. The outcomes of these numerical simulations were subsequently compared with experimental data. The results demonstrated a strong correlation between the finite element simulations and the experimental tests, particularly regarding the failure process and shear capacity of the reinforced beams. The increase in shear capacity observed during testing varied from 13.5% to 42.9%. In contrast, the corresponding increase in shear capacity predicted by the finite element simulations ranged from 5.5% to 47.7%. The discrepancy in CFRP shear contribution among beams with different bond-slip relationships, under identical reinforcement configurations, was observed to be within the range of 0.1% to 15.9%. The numerical results of the Nakaba model showed a higher level of safety; however, the simulation performance of the Lu model was regarded as more effective and better suited for numerical analysis in predicting the shear contribution of FRP in strengthened RC beams.
목차
Abstract
1. Introduction
2. Experimental Investigation
3. Numerical Modeling
4. Results Analysis and Comparison
5. Conclusions
References
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