Pre-blend settable composition containing calcium chloride
OwnerRonald Lee Barbourinventor
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Abstract
The present invention relates to settable compositions for general purpose concrete construction containing Class-F fly ash, Class-C fly ash or slag, and calcium chloride (CaCl2) as a substantial replacement for Portland cement conventionally used in such compositions. The calcium chloride is an additive for improved high early strength and accelerated setting times, thereby allowing the concrete structure to be put into service sooner, reducing labor cost, and allowing precast concrete and concrete masonry manufacturers to achieve rapid form and mold turnover.
Claims16
A pre-blend settable composition comprising at least about 50 percent cement, Class-C fly ash, Class-F fly ash, and calcium chloride, wherein all percentages are based on the total weight of the composition.
Dependencies are inferred from the claim text.