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Title |
An Experimental Study on the Bond Characteristic of GFRP Bars in PVA Fiber Reinforced Activated Hwangtoh Concrete
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Authors |
박미래(Mi-Rae Park) ; 김승훈(Seung-Hun Kim) |
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DOI |
https://doi.org/10.11112/jksmi.2017.21.1.134 |
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Keywords |
활성 황토 콘크리트 ; PVA 섬유 ; GFRP 보강근 ; 부착강도 Activated hwangtoh concrete ; PVA fiber ; GFRP bar ; Bond strength |
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Abstract |
Many studies have been conducted with respect to the materials to replace the cement in order to reduce the carbon dioxide emissions during the cement production. Activated hwangtoh as cement replacement material goes through calcination process of 850°C. PVA fibers and GFRP bars are used in order to compensate for the cracks of activated hwangtoh concrete(AHC). This paper presents an experimental study investigating the bond characteristic of GFRP bars in PVA fiber reinforced AHC under tensile loads. Experimental results showed that average bond strength factor of specimens with and without PVA fiber was 2.27~2.48 and was not significantly affected by the ratio of PVA fiber andactivated hwangtoh. In addition, as the bond length was increased, the bond strength was reduced.
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