You must know what the basic performance requirements are for your concrete.
If silica fume is called for in a specification, determine why the silica
fume is being included in the concrete. Once you know whatt he specifier
intended, it will be possible to proportion a concrete mixture.
Don't forget that all of the elements shown on the slide are related. Also,
determine the age at which specific requirements, such as compressive
strength or chloride resistance, must be met.
For assistance, contact your admixture supplier or the Silica Fume
Association.
The Silica Fume Association
38860 Sierra Lane, Lovettsville, VA 20180
Tel: 540.257.4224 Fax: 540.822.9456