Fly ash cementitious material and method of making a product
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United States of America Patent
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Feb 11, 1997
Issued Date -
N/A
app pub date -
May 16, 1996
filing date -
Feb 17, 1995
priority date (Note) -
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Abstract
Rapid curing, high strength cementitious binder mixtures are provided containing fly ash and an alkali metal or alkaline earth metal silicate binder that has a weight ratio of SiO.sub.2 :M.sub.2 O of about 0.20:1 to about 0.75:1 wherein M is selected from the group consisting of Li, Na, K, 1/2Ca and 1/2Mg. The cementitious binder mixtures can be mixed with aggregates to provide mortar and concrete mixtures. Any of the binder, mortar and concrete mixtures can be cured under elevated temperatures to yield high strength products.
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