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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: Recycled Concrete as a Source
Author(s): Alan D. Buck
Publication: Journal Proceedings
Appears on pages(s): 212-219
Keywords: aggregates; by products; coarse aggregates;compressive strength; concretes; conservation; expansion; fine aggrqgates; freeze-thaw durability;materials recovery; reclamation;rubble; salvage: waste treatment; wastes.
Abstract:The use of crushed waste concrete as cancrete aggregate began in Europe at the end of World War II. Depletion of supplies of high grade conventional aggregates in certain regions, the need for better methods of solid waste disposal, and energy conservation have contributed to a new interest in this technology. Both earlier and recent research indicate that crushed old concrete will have higher absorption and yield concrete of lower strength at equal water-cement ratio and slump than concrete made with similar aggregate not previously used. Where the original concrete was of low resistance to frost action, concrete made using it as aggregate had improved frost resistance. It is concluded that recycling concrete for use as aggregate in new concrete is feasible and may become routine.
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