Get the ACI’s latest thinking on the use of fly ash in concrete

The American Concrete Institute (ACI) has brought out a new report on the “Use of fly ash in concrete” to help contractors and specifiers understand how a fly ash mix can improve the performance of fresh and hardened concrete, mortar, and grout. ACI has given the report publication number 232.2R-18.

According to the experts at ACI: “Fly ash is used in concrete and other Portland cement-based systems primarily because of its pozzolanic and cementitious properties. These properties contribute to strength gain and are known to improve the performance of fresh and hardened concrete, mortar, and grout.”

For many aggregate professionals, “the use of fly ash typically results in more economical concrete construction,” and the new “report gives an overview of the origin and properties of fly ash, its effect on the properties of hydraulic cement concrete, and the selection and use of fly ash in the production of hydraulic cement concrete and concrete products.”

ACI goes on to give “information and recommendations concerning the selection and use of Class C and Class F fly ashes conforming to the requirements of ASTM C618 (and) topics covered include a detailed description of the composition of fly ash, the physical and chemical effects of fly ash on properties of concrete, guidance on the handling and use of fly ash in concrete construction, use of fly ash in the production of concrete products and specialty concretes, and recommended procedures for quality control.”

If you would like to get a full copy of the report, please go to: www.concrete.org/publications/collectiononline/collectionsearch.aspx?m=abstract&MCP_DocID=835 ACI can be contacted at: American Concrete Institute. 38800 Country Club Drive, Farmington Hills, Michigan. 48331-3439. USA. Telephone: 001 248 848 3700.

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