FIELD: technology of mineral binders for preparing quickly hardening solutions and concretes. SUBSTANCE: binder comprises portland cement and active mineral additive (active mineral additive is finely ground zeolite containing mineral carbonate silicic rock), sodium sulfate and superplasticizer C-3, ratios of ingredients being as follows, wt.%: superplasticizer, 0.8-1.2; sodium sulfate, 1.0-1.5; zeolite-containing carbonate-silicic rock, 5-10; and portland cement, the balance. EFFECT: high stripping and hardening strength of concrete during early hardening periods. 1 tbl
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Authors
Dates
2000-04-27—Published
1998-05-07—Filed