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 contains the following in wt %: portland cement 22.0-24.0; 10-20 mm fraction expanded clay 34.2-35.8; haydite sand 7.0-11.0; superplasticiser S-3 0.8-1.2; ground silicate glass 6.0-8.0; water 24.0-26.0.

EFFECT: increase in frost-resistance while preserving strength.

1 tbl