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Chapter 3 - Obtaining Silica-Fume Concrete
Proportioning SFC

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Slide
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.