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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 Mixes for Tilt-Up Wall
Author(s): Ross Martin
Publication: Concrete International
Appears on pages(s): 71-75
Keywords: admixtures; architectural concrete; com-pressive
strength; concrete finishes (hardened con-crete);
flexural strength; fly ash; mix proportioning;
precast concrete; slump tests; structural design;
temperature; test equipment; tilt-up construction.
Abstract:Presents information related to concrete mix proportioning for the specifier, concrete producer, and contractor involved in construction of site precast or tilt-up wall panels. Concrete is classified as structural or architectural and the wall panel surface treatments obtainable with these concrete types are summarized. The various ingredients used in modern concrete (cement, fly ash, fine and coarse aggregate, chemical admixtures, and air-entraining agents) are discussed. Also discussed are concrete properties such as strength: air content, slump and accommodation of slump loss by job site slump adjustment, maximum water-cement ratio, fly ash substitution for cement, and sand-aggregate ratio. A procedure for proportioning structural and architectural concrete mixes to provide adequate strength for lifting wall panels cast under various ambient conditions is described.
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