홈 > 주제분류 > aa > International Journal of Concrete Structures and Materials > International Journal of Concrete Structures and Materials : Vol.10 No.4
  • An Analytical Model for FRP Debonding in Strengthened RC Beams under Monotonic and Cyclic Loads
  • 분 류 연구문헌 - 학회논문 - 논문
  • ISSN 1976-0485
  • 저자 Reza Saeidi Moein, Abbas Ali Tasnimi
  • 페이지 pp.499~511
  • 수록지 International Journal of Concrete Structures and Materials : Vol.10 No.4
  • 발행년도 2016년 - 12월
  • 소장위치 토목연구정보센터
  • 통제번호 1950308
  • 키워드 analytical, model, CFRP, laminate, debonding, experimental, study, RC, beam, strengthening
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초록

Reinforced concrete (RC) beams strengthened by externally bonded reinforcement often fail by debonding. This paper presents an experimental and analytical study aimed at better understanding and modeling the fiber reinforced polymer (FRP) debonding failures in strengthened RC beams under monotonic and cyclic loads. In order to investigate the flexural behavior and failure modes of FRP-strengthened beams under monotonic and cyclic loadings, an experimental program was carried out. An analytical study based on the energy balance of the system was also performed. It considers the dominant mechanisms of energy dissipation during debonding and predicts the failure load of the strengthened beams. Validation of the model was carried out using test data obtained from the own experimental investigation

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