CONCRETE MIXTURE (VERSIONS) Russian patent published in 2013 - IPC C04B28/04 C04B111/20 

FIELD: chemistry.

SUBSTANCE: invention relates to industry of building materials, in particular, to production of concrete mixtures for production of products (plates, wall boards), which are subjected to glazing. Concrete mixture contains, wt %: slag-Portland cement 26-30; crushed for passing through net No20 blast furnace slag 16-20; crushed for passing through net No5 blast furnace slag 16-20; swollen perlite sand 33-37.5; glass fibre cut into 16-20 mm segments 0.5-1, with water-cement ratio 0.6-0.7. In version concrete mixture contains, wt %: slag-Portland cement 26-30; crushed for passing through net No20 blast furnace slag 16-20; crushed for passing through net No5 blast furnace slag 16-20; swollen vermiculite sand 33-37.5; glass fibre cut into 10-20 mm segments 0.5-1, with water-cement ratio 0.6-0.7.

EFFECT: reduction of product strength loss in glazing.

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