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아라미드 섬유판을 이용한 RC 보의 휨 보강효과


Flexural Strengthening Effects of RC Beams using Aramid Plate Strip

윤승조, 허승웅, 차정호, 김성수, 윤용대

피인용수 : 0(자료제공 : 네이버학술정보)



Reinforced concrete structure has been widely used thanks to its easiness to construct with longer service life, but it produces several problems such as crack, deflection and lowered strength of a structure due to various external and environmental factors like loading and earthquake. Researches are actively being carried out on repairing and reinforcing method to improve these problems. For the strengthening material mainly used at construction sites, steel plate and fiber can be counted in general, and for the fiber case, a composite material like glass fiber, carbon fiber and aramid fiber for reinforcing is commonly used in concrete structures. For the end development method, only the development effect has been verified through experiments without providing an effective development design per FRP strengthening quantity on a tensile surface. Further more, clear understanding on the cause of bond failure is not enough and the problem is that development of an effective development method to control it is not yet carried out up-to-now. Therefore, this study acknowledges the strengthening effect through behaviors of each specimen and test results by performing tests on total 4 reinforced concrete beams with the strengthening quantity and its position as variables in order to evaluate the performance of the Peel-ply method using aramid fiber plate to increase bonding strength with the basic material concrete.


 1. 서론
  1.1 연구의 목적
 2. 실험
  2.1 보강재료
  2.2 실험체 계획 및 제작
  2.3 실험체 가력 및 측정
 3. 실험 결과
  3.1 균열상황 및 최종파괴 양상
  3.2 하중-변위 관계
  3.3 최대 내력평가
 4. 결론


  • 윤승조 Yoon, Seung-Joe. 한국교통대학교 건축공학과 교수, 공학박사
  • 허승웅 Ho, Seung Woung. 한국교통대학교 친환경 건설구조·재료연구실 전임연구원
  • 차정호 Cha, Jung-Ho. 도양건설(주)부장
  • 김성수 Kim, Seong Soo. 청주대학교 건축공학과 교수, 공학박사
  • 윤용대 Yoon, Yong Dae. 청주대학교 건축공학과 박사과정


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