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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.57 No.5
- 발행연도
- 2016.1
- 수록면
- 937 - 949 (13page)
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초록· 키워드
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Fiber reinforced polymer (FRP) applications in the structural engineering field include concrete- FRP composite systems, where FRP components are either attached to or embedded into concrete structures to improve their structural performance. This paper presents the results of an analytical study conducted using finite element model (FEM) to simulate the behavior of three-points load beam reinforced with GFRP and/or steel bars. To calibrate the FEM, a small-scale experimental program was carried out using six reinforced concrete beams with 200×200 mm cross section and 1000 mm length cast and tested under three point bending load. The six beams were divided into three groups, each group contained two beams. The first group was a reference beams which was cast without any reinforcement, the second group concrete beams was reinforced using GFRP, and the third group concrete beams was reinforced with steel bars. Nonlinear finite element simulations were executed using ANSYS software package. The difference between the theoretical and experimental results of beams vertical deflection and beams crack shapes were within acceptable degree of accuracy. Parametric study using the calibrated model was carried out to evaluate two parameters (1) effect of number and position of longitudinal main bars on beam behavior; (2) performance of concrete beam with composite longitudinal reinforcement steel and GFRP bars.
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참고문헌 (15)
참고문헌 신청
Arduini, M. / 1997 / Parametric study of beams with externally bonded FRP reinforcement / ACI Struct. J 94(5):493~501
Huang, J. / 2010 / Environmental reduction factors for GFRP bars used as concrete reinforcement: new scientific approach / J. Compos. Constr 14(5):479~486
Karbhari, V.M. / 2001 / Material considerations in FRP rehabilitation of concrete structures / J. Mater. Civil Eng 13(2):90~97
Malek, A.M. / 1998 / Prediction of failure load of R/C beams strengthened with FRP plate due to stress concentration at the plate end / ACI Struct. J 95(1):142~152
K.M. Mini / 2014 / Experimental study on strengthening of R.C beam using glass fibre reinforced composite / Structural Engineering and Mechanics, An Int＇l Journal 50(3):275~286
Huang, J. / 2010 / Environmental reduction factors for GFRP bars used as concrete reinforcement: new scientific approach / J. Compos. Constr 14(5):479~486
Karbhari, V.M. / 2001 / Material considerations in FRP rehabilitation of concrete structures / J. Mater. Civil Eng 13(2):90~97
Malek, A.M. / 1998 / Prediction of failure load of R/C beams strengthened with FRP plate due to stress concentration at the plate end / ACI Struct. J 95(1):142~152
K.M. Mini / 2014 / Experimental study on strengthening of R.C beam using glass fibre reinforced composite / Structural Engineering and Mechanics, An Int＇l Journal 50(3):275~286
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