FIELD: construction.
SUBSTANCE: invention relates to the building materials industry, in particular to the production of concrete wall blocks for low-rise construction. Concrete mixture includes, by weight: portland cement 23.0-25.0, claydite fraction 10-20 mm 46.7-53.7, claydite sand 5.0-7.0, saponified rosin 0.1-0.2, soap solution 0.1-0.2, water 18.0-21.0.
EFFECT: technical result is an increase in frost resistance of articles obtained from a concrete mixture.
1 cl, 1 tbl
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