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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.11 No.6
- 발행연도
- 2011.1
- 수록면
- 435 - 454 (20page)
이용수
초록· 키워드
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Bonding composite materials to structural members for strengthening purpose has received a considerable attention in recent years. The major problem when using bonded FRP or steel plates to strengthen existing structures is the high interfacial stresses that may be built up near the plate ends which lead to premature failure of the structure. As a result, many researchers have developed several analytical methods to predict the interface performance of bonded repairs. In this paper, a numerical solution using finite - differencemethod is used to calculate the interfacial stress distribution in beams strengthened with FRP plate having a tapered ends with different thinning profiles. These latter, can significantly reduce the stress concentration. In the present theoretical analysis, the adherend shear deformations are taken into account by assuming a parabolic shear stress through the thickness of both beam and bonded plate. Numerical results from the present analysis are presented to demonstrate the advantages of use the tapers in design of strengthened beams.
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참고문헌 (23)
참고문헌 신청
Belakhdar, K / 2010 / On the reduction of the interfacial stresses in a repaired beam with an adhesively bonded FRP plate / Compos. Interfaces 17(1):1~14
Benyoucef, S / 2006 / Approximate analysis of the interfacial stress concentrations in FRP-RC hybrid beams / Compos. Interfaces 13(7):561~571
Benyoucef, S / 2007 / Creep and shrinkage effect on adhesive stressesin RC beams strengthened with composite laminates / Compos. Sci. Technol 67(6):933~942
Deng, J / 2004 / Stress analysis of steel beams reinforced with a bonded CFRP plate / Compos. Struct 65(2):205~215
Gao, B / 2006 / Optimization of tapered end design for FRP strips bonded to RC beams / Compos. Sci. Technol 66(10):1266~1273
Benyoucef, S / 2006 / Approximate analysis of the interfacial stress concentrations in FRP-RC hybrid beams / Compos. Interfaces 13(7):561~571
Benyoucef, S / 2007 / Creep and shrinkage effect on adhesive stressesin RC beams strengthened with composite laminates / Compos. Sci. Technol 67(6):933~942
Deng, J / 2004 / Stress analysis of steel beams reinforced with a bonded CFRP plate / Compos. Struct 65(2):205~215
Gao, B / 2006 / Optimization of tapered end design for FRP strips bonded to RC beams / Compos. Sci. Technol 66(10):1266~1273
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