Concrete mixture proportions. Note the use of the three cementitious materials.
On a pound-for-pound basis, Class F fly ash will typically generate about 50% as
much heat as portland cement. Silica fume will generate about the same amount
of heat as portland cement, but it has significantly better early age strength
characteristics than fly ash.
The Silica Fume Association
38860 Sierra Lane, Lovettsville, VA 20180
Tel: 540.257.4224 Fax: 540.822.9456
