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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: Tolerance of Coarse Aggregate Passing the 1/4-in. Sieve as Affecting Specifications for Gravel Aggregates
Author(s): William K. Hatt and R.B. Crepps
Publication: Journal Proceedings
Appears on pages(s): 213-230
Abstract:A large portion of the sand and gravel deposits in the Middle West have from 60 to 65 per cent of material below the 1/4-in. sieve, and 30 to 50 per cent of coarser material. There is thus an excess of sand when viewed from the specifications for concrete. Other deposits have an excess of coarse material.
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