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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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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: Strength Relationships for Fly Ash Concrete
Author(s): Sandor Popovics
Publication: Journal Proceedings
Appears on pages(s): 43-49
Keywords: admixtures; compressive strength; computer programs;fly ash; mix proportioning; optimization; water-cement ratio;concretes.
Abstract:Formulas are presented for the relationship between composition and strength of concrete containing fly ash. Their extent of reliability is demonstrated by comparing the calculated values to empirical results taken from the literature. An optimization procedure based on differential calculus is also presented for the calculation of the most economical (optimum) fly ash content. Use of the formulas for prportioning fIy ash concrete is illustrated. Though they do not eliminate the necessity of trial mixes in pro-portioning, these formulas should reduce fhe needed number of trials. It is also believed that the promising results of their paper call for further experimental and analytical work in the directions indicated on the effects of fly ash addition on the properties of concrete.
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