METHOD OF PRODUCING CONCRETE ARTICLES Russian patent published in 2016 - IPC C04B41/50 

FIELD: building.

SUBSTANCE: 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. Method of producing concrete articles involves moulding of article following with article impregnating with subsequent hardening, the impregnation is carried out during 72 hours at 20-30°C in a solution consisting of liquid sodium glass with density ρ=1.45 g/cm³, pH=12 and Sol of metasilicic acid H₂SiO₃ with density ρ=1.014 g/cm³, pH=5-6, with the following ratio of components the following, wt. %: said liquid glass 81.00-85.00; said Sol of metasilicic acid 15.00-19.00.

EFFECT: high compression strength of concrete product.

1 cl, 2 tbl, 9 ex