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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: Effect of Entrained Air on Concrete Made with So-Called "Sand-Gravel" Aggregates
Author(s): Paul Klieger
Publication: Journal Proceedings
Appears on pages(s): 149-163
Keywords: no keywords
Abstract:Snad-gravel aggregates (maximum particle size 3/8 in.) used with non-air-entraining cement produce concretes containing from 3 to 4 percent air. The same mixes made with air-entraining cement and the sand-gravel aggregates have air contents from 8 to 13 percent. Effect of this larger amount of entrained air is given in terms of tests of flexural and compressive strength, freezing and thawing resistance, and length changes in varying storage conditions. Effect of "sweetening" the sand-gravel by addition of 30 percent of coarser aggregate is noted.
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