HIGH-STRENGTH CONCRETE Russian patent published in 2014 - IPC C04B28/04 C04B24/00 C04B111/20 

FIELD: construction.

SUBSTANCE: high-strength concrete produced from a raw mix containing portland cement, sand, crushed stone and water and a complex additive containing sol of berlin blue with density equal to 1.013 g/cm³, hydrogen index 4.7-5.3 and plasticiser SikaAer 200S at the following ratio of components, wt %: 16.50-17.00 and 83.00-83.50 and accordingly, at the following ratio of components of a raw mix, wt %: portland cement 24.30-31.70; sand 23.60-26.00; crushed stone 36.40-39.60; specified additive 0.60-0.80; water 7.70-9.30.

EFFECT: increased frost resistance of concrete.

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