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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: Concrete Slump and Field Examples of
Author(s): Bernard Erlin and William G. Hime
Publication: Concrete International
Appears on pages(s): 48-51
Keywords: admixtures; false set; flash set; fresh concretes;
heat of hydration; microscopy; retardants; slump tests;
Abstract:All concrete decreases in slump because some of the water reacts with cement and some is lost through evaporation. Although unusual loss of slump is normally measured only before concrete is placed, the loss can be of great consequence after concrete has been placed. Slump loss thus may have different meanings to the batcher, the ready-mixed concrete truck driver, the placer, and the slipformer. This is unusual concrete set, and studies indicate that slump loss can be explained in terms of the chemical reactions and physical changes leading to set. [Authors]
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