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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: Development of Ternary Blends for High-
Author(s): Nabil Bouzoubaa, Alain Bilodeau, Vasanthy Sivasundaram, Benoit Fournier, and Dean M. Golden
Publication: Materials Journal
Appears on pages(s): 19-29
Keywords: bleeding; compressive strength; curing; fly ash; plastic shrinkage; setting time; silica fume; temperature rise
Abstract:The purpose of this study is to develop ternary blends with optimum amounts of fly ash and silica fume to be used in high-performance concrete. Two series of air-entrained concrete mixtures were investigated in this study: Series 1 included concretes with a total cementitious materials content (CM) of 350 kg/m3 and a water-cementitious material ratio (w/cm) of 0.40, and Series 2 included concretes with a total CM of 450 kg/m3 and a w/cm of 0.34. In each series, one silica fume and three fly ashes were used; these consisted of two ASTM Class F and one ASTM Class C fly ashes. Properties of the fresh and hardened concrete such as slump, air content, bleeding, setting time, autogenous temperature rise, plastic shrinkage, compressive strength, and the resistance to chloride-ion penetration were determined. The results have shown that the combined use of fly ash and silica fume in concrete are more advantageous in terms of the following parameters: the dosage of high-range water-reducing admixture (HRWRA), plastic shrinkage, and chloride-ion penetrability.
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