CONCRETE MIXTURE Russian patent published in 2010 - IPC C04B28/08 C04B111/20 

FIELD: chemistry.

SUBSTANCE: invention relates to industry of building materials, particularly to preparation of concrete mixtures for making articles to undergo glasing. The concrete mixture contains the following in wt %: slag portland cement 20-30; crushed granular blast furnace slag of the 5-10 mm fraction 34-42; chamotte of the a fraction smaller than 5 mm 16-20, crushed expanded pearlite of the 5-10 mm fraction 16.0-22.0, with water-to-cement ratio of 0.5-0.6.

EFFECT: reduced loss of strength of articles made from the concrete mixture during glasing.

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