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

FIELD: chemistry.

SUBSTANCE: invention relates to high-strength concrete and can be used in making articles in civil and industrial construction, monolithic construction, concreting densely reinforced structures, as well as for erection of special-purpose structures. The high-strength concrete prepared from the crude mixture containing a complex additive which is a sol of iron (III) hydroxide with density 1.021 g/cm³, pH 4.5-5.5 and super-plasticiser Muraplast FK 63, with the following ratio of components in wt %: 85.50-86.00 and 14.00-14.50 respectively, with the following ratio of components of the crude mixture in wt %: portland cement 20.60-27.40; sand 21.80-24.70; crushed rock 42.40-44.50, said additive 0.70-0.90; water 7.70-9.30.

EFFECT: reduced wear capacity of the concrete.

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