CONCRETE MIX Russian patent published in 2017 - IPC C04B28/02 C04B14/28 C04B24/24 C04B103/32 

FIELD: construction.

SUBSTANCE: concrete mix, comprising Portland cement, crushed stone, microfiller in the form of limestone, superplasticizer and water. The crushed stone is rubble of limestone with the fraction 5-20 mm, the microfiller is a limestone screening of the fraction below 0.16 mm, the fine filler from limestone screenings of the fractions 5.0-0.63 mm and 0.63-0.16 mm, the superplasticizer C3 based on the product of condensation naphthalene sulphonic acid with formaldehyde, at the following content, wt %: Portland cement 12.1-14.1, 10.5 mm crushed limestone fractions 35-40 , fine filler from limestone screenings of the fraction 5 - 0.63 mm 18.15-20.15 fine filler from limestone screenings of the fraction 0.63-0.16 mm 14.52-15.89, microfill from limestone screenings of the fraction below 0.16 mm 7-8.87, C3 superplasticizer 0.06-0.141 water - the rest.

EFFECT: improved homogeneity of the concrete mix by reducing the peelability.

1 tbl