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Journal of the Korea Concrete Institute

J Korea Inst. Struct. Maint. Insp.
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  • Korea Citation Index (KCI)

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Title Enhanced Durability Performance of Rock-Filled-Dam Face-Slab Concrete using Fly Ash and Blended PVA Fiber
Authors 우상균 ; 원종필 ; 배두산 ; 추인엽
DOI http://dx.doi.org/10.11112/jksmi.2016.20.3.140
Page pp.140-148
ISSN 2234-6937
Keywords 표면 차수벽형 석괴댐 ; 차수벽 콘크리트 ; 내구성 ; 플라이애시 ; PVA 섬유 CFRD ; Face-slab concrete ; Durability ; Fly ash ; Poly vinyl alcohol fiber
Abstract This study examined the durability of face-slab concrete in Concrete-Faced Rock-filled Dams(CFRDs). The durability of face-slab concrete can be improved by optimizing the amount of fly ash in the cement mixture. Durability tests including plastic shrinkage, permeability, abrasion resistance, and repeated freezing and thawing were done on face-slab concrete specimens with different amounts of fly ash and blended PVA(Poly Vinyl Alcohol) fibre. When the effect of the fly ash content on concrete durability was evaluated, the results showed that a 15% fly ash content and 0.1% blended PVA fiber yielded the optimum durability level for concrete-faced rock-filled dams.