FIELD: chemistry.
SUBSTANCE: invention relates to the industry of construction materials and particularly to making concrete wall blocks. The concrete mixture contains the following, wt %: portland cement 25.0-27.0; gold slag 27.8-32.0; dunite ground until passage through sieve 014 17.0-21.0; gypsum binder G-2-G-5 0.2-0.3; superplasticiser S-3 0.7-0.9; water 23.0-25.0.
EFFECT: high frost resistance.
1 tbl
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