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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: Crushed Concrete Fines Recycled for Soil Modification Purposes
Author(s): Torben C. Hansen and Jorgen W. Angelo
Publication: Journal Proceedings
Appears on pages(s): 983-987
Keywords: calcium hydroxides; clay soils; crushed concrete; fineness; lime; particle size distribution; plasticity index; recycling; soil stabilization.
Abstract:It has been shown experimentally that addition of crushed concrete fines may improve engineering properties of clayey soils for earthwork purposes. Such improvements go beyond what can be explained by mere mechanical stabilization due to a change in grain size distribution of the soil as a whole. It is suggested that the additional improvement is due to flocculation and coagulation of colloidal clay minerals which react with calcium hydroxide in the crusher fines to form larger grains in the silt fraction within moments of mixing of the two soils.
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