CONCRETE MIXTURE Russian patent published in 2015 - IPC C04B28/08 C04B111/20 

FIELD: chemistry.

SUBSTANCE: invention relates to industry of building materials and can be used in production of foundation and wall blocks, wall panels, in constructions of bearing layer of concrete floors. Concrete mixture, including binding agent, crushed granite from dump blast furnace slag with fraction 5-20 mm, quartz sand and water, contains as binding agent multi-component mineral binding agent, consisting of, wt %: milled granulated blast furnace 48.3-56.0, milled converter slag 8.4-13.2, phosphogypsum 35.6-38.5, clinker - 5% of the sum of said components, with the following ratio of mixture components, wt %: said binding agent 14.2-15.7, said crushed granite 29.9-46.7, sand 30.3-45.0, water - the remaining part.

EFFECT: increased flexural strength with reduction of heat conductivity.

3 ex, 1 tbl