FIELD: building materials industry. SUBSTANCE: binder comprises, wt.%: high-calcium fly ash, 55-40; portland cement, 25-45; clay additive, e.g. incompletely fired clay powder, 20-15. EFFECT: increased activity of binder and greater strength of products based thereon. 2 tbl
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Authors
Dates
2000-08-27—Published
1998-11-13—Filed