CONCRETE MIXTURE Russian patent published in 2012 - IPC C04B28/04 C04B111/20 

FIELD: chemistry.

SUBSTANCE: invention relates to composition of a concrete mixture and can be used in the industry of construction materials, particularly in production of concrete wall blocks for low-height construction. The concrete mixture, which contains portland cement, expanded clay, keramsite sand, water, contains expanded clay in the 10-20 mm fraction and additionally glass cutting mud, characterised by specific surface area of 800-850 m²/kg and packed density of 760-770 m²/kg and superplasticiser S-3, with the following ratio of components in wt %: portland cement 24.0-26.0, expanded clay 5.8-11.2, keramsite sand 24.0-26.0, said glass cutting mud 24.0-26.0, superplasticiser S-3 0.8-1.2.

EFFECT: making strong concrete articles with high frost resistance.

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