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Failure mechanisms of hybrid FRP-concrete beams with external filament-wound wrapping
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  • Failure mechanisms of hybrid FRP-concrete beams with external filament-wound wrapping
  • Failure mechanisms of hybrid FRP-concrete beams with external filament-wound wrapping
저자명
Chakrabortty. A.,Khennane. A.
간행물명
Advances in concrete construction
권/호정보
2014년|2권 1호|pp.57-75 (19 pages)
발행정보
테크노프레스
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

This paper presents an analysis of the results of an experimental program on the performance of a novel configuration of a hybrid FRP-concrete beam. The beam section consists of a GFRP pultruded profile, a CFRP laminate, and a concrete block all wrapped up using filament winding. It was found that the thickness of the concrete block and the confinement by the filament-wound wrapping had a profound effect on the energy dissipation behaviour of the beam. Using a shear punching model, and comparing the predicted results with the experimental ones, it was found that beyond a given value of the concrete block thickness, the deformational behaviour of the beam shifts from brittle to ductile. It was also found that the filament-wound wrap had many benefits such as providing a composite action between the concrete block and the GFRP box, improving the stiffness of the beam, and most importantly, enhancing the load carrying ability through induced confinement of the concrete.