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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Properties of Steam-Cured Fly Ash Concrete Using Porous Ceramic Waste Aggregate
Author(s): Phuong Trinh Bui, Yuko Ogawa, Naoki Doi, Kenji Kawai, and Ryoichi Sato
Publication: Special Publication
Appears on pages(s): 323-336
Keywords: porous ceramic waste aggregate; fly ash; steam curing; compressive strength; pore structure; autogenous shrinkage; carbonation resistance
Abstract:In the present study, the effects of porous ceramic waste aggregate (PCWA) on the mechanical properties and durability of the steam-cured fly ash concrete are investigated. The replacement ratios of fly ash were 0%, 20% and 40% by mass, and those of PCWA were 0%, 10% and 20% by volume. Three kinds of curing conditions: dried after steam curing (D-Steam), sealed after steam curing (S-Steam), and sealed curing (Sealed), were used. The experimental results show that the compressive strength of the fly ash concrete with 20% replacement of PCWA increased regardless of curing conditions, and the pore volume decreased. The autogenous shrinkage of the S-Steam cured fly ash concrete was reduced significantly by using 20% replacement of PCWA. The carbonation resistance of the D-Steam cured fly ash concrete was also improved by using 10% replacement of PCWA and 40% replacement of fly ash.
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