HIGH-STRENGTH CONCRETE Russian patent published in 2014 - IPC C04B28/04 C04B22/06 C04B111/20 

FIELD: construction.

SUBSTANCE: high-strength concrete is produced from a mix containing portland cement, sand, crushed stone and water and a complex additive containing sol of iron hydroxide (III) with density equal to 1.021 g/cm³, hydrogen index 4.5-5.5 and plasticiser Sikacrete PP1 TU at the following ratio of components, wt %: 10.50-11.00 and 89.00-89.50 and accordingly, at the following ratio of components of a raw mix, wt %: portland cement 19.50-26.65; sand 21.80-24.70; crushed stone 42.40-44.50; specified complex additive 1.45-2.00; water 7.70-9.30.

EFFECT: increased strength of concrete, its reduced water absorption.

3 dwg, 1 tbl