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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
대한건축학회 대한건축학회 논문집 - 구조계 대한건축학회논문집 - 구조계 제20권 제8호
발행연도
2004.8
수록면
19 - 26 (8page)

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초록· 키워드

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This paper summarizes the results from the experimental study performed to investigate the structural behaviors of reinforced
concrete beams strengthened by the composite fiber ropes tendons developed in this research. The rope braided with the
UHMWPE fiber is excellent in the respect of strength but its failure mode is undesirably brittle. Steel turn-buckles developed in
this research are connected at the middle of the fiber rope tendons and used as a device to control the magnitude of pretension
forces and the failure mode of the tendons at the same time. The magnitude of pretension forces of the tendons and the strength
capacity ratio between the ropes and the turn-buckles are considered as the major variables for the experimental analysis. Six
beams were tested to investigate the structural performance of the proposed tendons used for rehabilitation works of reinforced
concrete beams, such as failure modes, strength, stiffness and ductility. Results from this study show that the reinforced concrete
beams rehabilitated by proposed method could have the maximum flexural moment capacity improved more than 140%, and the
deformation ductility improved to be larger than 11.0. It implies that the proposed composite tendon possesses excellent
performances in structural behavior, especially in the respects of flexural deformation and strength. And the proposed system could
be used effectively for the rehabilitation works of reinforced concrete beams.

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Abstract

1.서론

2.실험

3.실험결과 및 분석

4.결론

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