HIGH-STRENGTH CONCRETE Russian patent published in 2016 - IPC C04B28/04 

FIELD: building.

SUBSTANCE: of invention can be used for the manufacture of concrete products for civil and industrial construction, as well as in the construction of special purpose facilities. High-strength concrete is obtained from a mixture of Portland cement, sand, water and complex additive which consists of sodium water glass with a density ρ=1.45 g/cm³, pH value of 12 and a sol of aluminum hydroxide Al (OH)₃ a density ρ= 1.12 g/cm³, value pH = 4.0 in the following ratio, wt.%: 85.00-88.50 and 11.50-15.00, respectively, in the following ratio of the raw meal by weight.%: 21.20-28.00 Portland; sand 21.80-24.70; 42.40-44.50 rubble; said additive 1.50-2.50; water 6.30-7.10.

EFFECT: technical result is to reduce the abrasion of concrete.

1 cl, 1 tbl