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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: Study of a Class C Fly Ash Concrete
Author(s): Robert L. Yuan and James E. Cook
Publication: Special Publication
Appears on pages(s): 307-320
Keywords: compressive strength; concrete durability; concretes;
creep properties; drying shrinkage; fly ash; freeze-thaw
durability; shrinkaqe. --
Abstract:This paper describes an experimental investigation into the behavior of fly-ash concrete with respect to strength, durability, shrinkage and creep deformations. A subbituminous coal ash conforming to Class C requirements of ASTM C-618 was used. The use of fly ash as a partial replacement for cement ranges from twenty percent to fifty percent by weight of the cement. These studies confirm that (1) the rate of strength development of Class C fly-ash concrete is comparable with that of portland cement concrete; (2) the effect of fly ash content on the shrinkage deformation is not as significant as the effect of water/cement ratio, (3) for a given water/cement ratio, creep deformation is influenced by the fly ash content and (4) con-crete with fly ash content 20 percent replacement show a better freeze-thaw durability than portland cement concrete.
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