ADDITION OF COLLOIDAL SILICA TO CONCRETE

摘要

A method of blending concrete is provided wherein there is a determination of a standard volume of water to add to a dry concrete mix to provide hydrated concrete with a desired slump value, and then calculating a substitution volume of an aqueous composition including colloidal silica to be used in place of an eliminated portion of the standard volume of the water, and mixing the substitution volume of the aqueous composition with the concrete mix.

主权项

1. A method for mixing concrete, comprising:
blending a concrete mix in a dry state or an under-hydrated state and an aqueous composition containing a colloidal silica into the concrete mix in a proportion equal to about 1 fluid ounce to about 34 fluid ounces of colloidal silica to about one sack of cement in the concrete mix to provide hydrated concrete.