CONCRETE MIXTURE Russian patent published in 2013 - IPC C04B28/08 

FIELD: chemistry.

SUBSTANCE: invention relates to the industry of building materials, particularly to preparation of concrete mixtures for making articles (slabs, wall panels) to undergo glazing. The concrete mixture contains, wt %: slag portland cement 26-30; blast-furnace slag ground to passage through sieve N20 6-20; blast-furnace slag ground to passage through sieve N5 16-20, haydite sand 33.0-37.5, asbestos fibre cut to 10-20 mm pieces 0.5-1, with water-to-cement ratio of 0.5-0.55.

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

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