HIGH-STRENGTH CONCRETE Russian patent published in 2011 - IPC C04B28/04 C04B22/06 C04B24/24 C04B111/20 

FIELD: chemistry.

SUBSTANCE: invention relates to high-strength concrete and can be used in making articles in civil and industrial construction, as well as for erection of special-purpose structures. The high-strength concrete is prepared from a crude mixture containing a complex additive comprising Prussian blue sol with density 1.013 g/cm³, pH 4.7-5.3 and super-plasticiser Peramin SMF-10, in the following ratio in wt %: 85.50-86.00 and 14.00-14.50 respectively, and with the following ratio of components of the crude mixture in wt %: portland cement 22.40-28.30, sand 23.60-26.00, crushed rock 36.40-39.60, said additive 0.06-0.08, water 11.64-11.92.

EFFECT: high crack resistance of the concrete.

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