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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: Estimating Proportions for Structural Concrete Mixtures
Author(s): Sandor Popovics
Publication: Journal Proceedings
Appears on pages(s): 143-150
Keywords: aggregates;cement content;density;heavy-weight concretes;lightweight concrete;mix proportioning;specific gravity.
Abstract:Simple formula are unit weight as well as presented for the prediction for the relationship between of fresh cement content and mix proportions of various structural concretes. These formulas are useful mainly for proportioning struc-tural lightweight and heavyweight concretes because the unit weight and the cement content have greater significance for these mixtures than for normal weight concretes. The formulas are also applicable when the mineral aggregate in question is blended with aggregates of differing specific gravities-such as a conventional sand and a lightweight coarse aggregate-provided that the average specific gravity of the blended aggregate is computed by a formula developed for this purpose. Experimental results support the formulas within a wide range. The limits of validity are given. Numerical examples illustrate the use of the formulas.
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