FIELD: construction.
SUBSTANCE: invention relates to the building materials industry, in particular to production of concrete. Raw material mixture for the production of concrete, containing portland cement, microsilicasuspension, quartz sand, water, also includes soaked in water until swelling and sodium polyacrylate, ground to form a gel mass, with the following component ratio, mass%: portland cement 23.0–23.3; microsilicasuspension 4.5–5.0; quartz sand 59.0–59.9; said sodium polyacrylate is 0.1–0.2; water 12.0–13.0.
EFFECT: increase frost resistance of concrete.
1 cl, 1 tbl
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