Title: Properties Of Cements And Concretes Containing Fly Ash
Author(s): Raymond E. Davis, Roy W. Carlson, J.W. Kelly, Harmer E. Davis
Publication: Journal Proceedings
Appears on pages(s): 577-612
Presents results of extensive tests to determine the feasibility of using various fly ashes with various types of portland cement. (Fly ash is the residue from burning powdered coal, caught by precipita-tors). Properly constituted fly ash is an excellent pozzolan. Tests to determine water requirement, strength, volume change, heat of hydration, resistance to freezing and thawing, and resistance to sulfate action indicate that fly ash of moderately low carbon content and moderately high fineness can be advantageously used in percentages up to 30 for ordinary construction and in percentages upto 50 for heavy construction. Suggested specification requirements for fly ash are given.