복합콘크리트와 이형 철근간의 부착강도에 관한 실험적 연구


An Experimental Study on the Bond Splitting Strength between Composite Concrete and Deformed rebar

윤승조, 허승웅

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To relieve noise between floors in Korea, recent domestic and overseas studies have been developing materials that have the properties of ceramic, which is an inorganic compound, and polymer, which is an organic compound, to introduce a new function to polymer. This study conducted a bending strength experiment between re-bar and new composite concrete mixing POSS (Polyhedral Oligomeric Silses-quioxanes) nano complex on the inside of concrete, and by assembling the inside of each concrete with 3 and 4 main re-bars as an experiment to supplement various problems that occur by the expression of this strength and the distribution of the reinforcement. The number of the main re-bars. and the direction of laying the concrete were applied as the principal variables of the experiment. Upon experiment, there were no differences in the bond strength based on the location of the main re-bar, and a 2 % increase in the bond strength was shown in the specimen laid in the same direction as the main re-bar in comparison to that of the specimen laid in a different direction from the main re-bar. The experiment results displayed that the composite concrete had uniform performance based on the rapid reaction speed of POSS nano complex.


1. 서론
1.1 연구배경 및 목적
1.2 연구범위 및 방법
2. 복합콘크리트
2.1 복합보강재의 특성
2.2 복합콘크리트의 역학적 특성
3. 실험 계획
3.1 실험체
3.2 실험방법
4. 실험 결과 및 분석
4.1 균열상황 및 최종파괴
4.2 부착응력도-변위 관계
4.3 부착강도 Tbu의 검토
4.4 콘크리트 타설 방향에 부착강도 Tbu의 관계
5. 결론


  • 윤승조 Yoon, Seung-Joe. 한국교통대학교 건축학과 교수
  • 허승웅 Ho, SeungWoung. 한국교통대학교 건축구조방재연구실 연구원


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