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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: Laboratory Tests on Vibration of Concrete
Author(s): Sven G. Bergstrom
Publication: Journal Proceedings
Appears on pages(s): 893-908
Keywords: no keywords
Abstract:A brief survey of tests dealing with pressures, displacements, and energy consumption in fresh concrete compacted by internal vibration. Three methods of determining the radius of action of the internal vibrator and the effects of variation in the radius of action with the concrete mix and with the vibrator characteristics are discussed. A graph presents some data on the energy consumption during vibration. Described is an apparatus for studying variations in the properties of fresh concrete with time of vibration. The type of these variations characterizes the fresh concrete in respect to required time of vibration and liability to segregation. Mention is made of a few test results concerning the relation between properties of hardened concrete and time of vibration.
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