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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: Proportioning of Mixes for Steel Coarse Aggregate and Limonite and Magnetite Matrix Heavy Concretes
Author(s): David L. Narver
Publication: Journal Proceedings
Appears on pages(s): 537-548
Keywords: no keywords
Abstract:Discusses structural concrete of heavy weight, utilizing limonite and magnetite as fine aggregate and graded steel scrap as coarse aggregate. Criteria are presented for proportioning a concrete mix for specific unit weight as well as specific compressive strength. Employing various combinations of conventional coarse aggregate and steel aggregate and either conventional, liomonite, or magnetite fine aggregate, concrete can be produced with a density from 140 to 330 lb per cu ft. Compressive strength of 3000 psi is reported to be obtainable without difficulty.
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