226.3R-87: Use of Fly Ash in Concrete


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Title: 226.3R-87: Use of Fly Ash in Concrete


Publication: Technical Documents



Appears on pages(s): 29


Date: 1/1/1987


Note: 226.3R-87 is No Longer Available.

Fly ash from coal-burning power plants is used in concrete primarily because of its pozzolanic and cementitious properties. These properties contribute to strength gain and improved durability when used with portland cement. Other principal reasons for using fly ash include economy and beneficial modification of certain properties of fresh and hardened portland cement concrete. This state-of-the-art report gives an overview of the properties of fly ash and its proper use in the production of portland cement concrete. The report contains information and recommendations concerning the selection and use of Class C and Class F fly ashes generally conforming to the requirements of ASTM C 618. Topics covered include the effect of fly ash on properties of concrete, a discussion of quality assurance of fly ash, guidance regarding the handling and use of fly ash in concrete, and the use of fly ash in specific applications. Referenced documents give more information on each topic.