Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Bond Behavior of Carbon Fiber Polymer Reinforced Polymer Rebar in High Strength Concrete with Replacement Ratio of Silica Fume and Metakaolin

실리카퓸 및 메타카올린 치환률에 따른 고강도 콘크리트와 탄소섬유보강 폴리머 보강근의 부착거동

  • 박찬기 (공주대학교 산업과학대학 지역건설공학) ;
  • 원종필 (건국대학교 생명환경과학대학 사회환경시스템공학과) ;
  • 김종옥 (공주대학교 산업과학대학 지역건설공학)
  • Published : 2008.09.30
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Abstract

This study is to relate the bond characteristics of CFRP rebar in high strength concrete incorporated with silica fume(SF) and metakaolin(MK). An direct bond test were performed to evaluate the effect of SF and MK on bond properties of high-strength concrete and CFRP rebar. The high strength concrete mix included four SF and MK mixes with 0%, 5%, 10% and 15%. Results of bond performance experiment in relation to pullout vs slip behavior of FRP rebar and high strength showed better performance of SF than MK. Also, the results showed the improved bond strength as replacement ratio of SF and MK increased. The relative bond strength in which $1.3{\sim}3.2$ of estimated values were obtained.

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References

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