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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: Effects of Incomplete Conolidation on Conpressive and Flexural Strenght, Ultrasonic Pulse Velocity, and Dynamic Modulus of Elasticity of Concrete
Author(s): M. F. Kaplan
Publication: Journal Proceedings
Appears on pages(s): 853-868
Abstract:An experimental investigation has been conducted to determine the effects of voids due to incomplete consolida-tion on the compressive and flexural strength, ultrasonic pulse velocity, and dynamic modulus of elasticity of con-crete. Concrete mixes having cement: aggregate:water ratios of 1:3:0.35, 1:6:0.50, and 1:9:0.66, by weight, were used to make QO x 4 x 4-in. beams and 6-in cubes for resonant frequency and flexural and compressive strength tests. The tests were done after 7, 28, and 91 days. Pulse velocity measurements were also made on all specimens before carrying out the other tests. The amount of consolidation was varied by vibrating the concrete for different lengths of time. The maximum void content was 3Q percent. The effects of incomplete consolidation on compressive and flexural strength, pulse velocity, and dynamic E are reported and the interrelationships between these properties examined.
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