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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: Early Strength Fly Ash Concrete for Structural Applications
Author(s): R. N. Swamy, Sami A. R. Ali, and D. D. Theodorakopoulos
Publication: Journal Proceedings
Appears on pages(s): 414-423
Keywords: admixtures; beams (supports); compressive strength; concretes;
concrete slabs; curing; fly ash; fresh concretes; lightweight aggregates;me-chanical properties; workability.
Abstract:Extensive data are presented on the properties, in the fresh and hardened state, of fly ash concrete containing normal weight and light-weight aggregates suitable for structural applications. The mixes are proportioned to have a one-day strength compatible with concrete without fly ash, possessing adequate cohesiveness and workability to enable them to be compacted into place easily in structural members with bar reinforcement. It is shown that the curing regime has a significant influence on strength development. Tests on reinforced concrete beams and slabs are reported to show that fly ash concrete can exhibit structural performance similar to that of conventional concrete with adequate safety factors and predicted by existing codes. The data presented show that with fly ash of controlled quality, structural concrete construction can be designed to incorporate fly ash up to 30percent by weight of cement.
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