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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: Correlation of Shirnkage and Curing in Concrete Masonry Units
Author(s): Harry W. Easterly, Jr.
Publication: Journal Proceedings
Appears on pages(s): 393-402
Keywords: no keywords
Abstract:Need for a specification defining maximum shrinkage in concrete masonry units has long been recognized. The present specification which limits the amount of moisture in the unit when it is laid is inadequate and cannot be enforced. This paper shows how use of the British specification which limits shrinkage rather than moisture content in the block was applied to block cured by high-pressure steam and by high-temperature steam. High-pressure steam cured blocks shrank only about half as much as those cured by high-temperature steam. The literature on high-pressure steam curing is briefly reviewed and the British standard method of measuring drying shrinkage is shown to be applicable to masonry units manufactured in this country.
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