FIELD: construction.
SUBSTANCE: concrete mixture comprises, pts. wt.: Portland cement - 1; marble aggregate fraction 2-8 mm. or granite chips of fraction 2-8 mm - 1-1.5; 3% hydrogen peroxide solution - 0.01-0.02; quartz sand - 1-1.5, at water-cement ratio of 0.6-0.65.
EFFECT: increase of strength.
1 tbl
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