Concrete mixture proportions. Note the use of three cementitious materials and
the very low water-cementitious materials ratio. Also note the very high dosage
of high-range water-reducing admixture necessary to meet the workability
requirements with the low water content.
The Silica Fume Association
38860 Sierra Lane, Lovettsville, VA 20180
Tel: 540.257.4224 Fax: 540.822.9456