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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: Vibrated Concrete
Author(s): T. C. Powers
Publication: Journal Proceedings
Appears on pages(s): 373-381
Abstract:Following field tests of internal vibrators, laboratory investigations of the relation of strength to cement voids ratio, of the proper mix characteristics for vibration, and freezing and thawing tests were made. It was found that for a mix to be placed successfully by vibration it must be plastic or become plastic under vibration. The relationship between the cement voids (voids - water plus air) ratio is substantially the same for vibrated as for hand-placed concrete.
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