COMPOSITION FOR PRODUCTION OF HEAT-RESISTANT CONCRETE Russian patent published in 2016 - IPC C04B28/34 C04B111/20 

FIELD: construction.

SUBSTANCE: composition for the production of heat-resistant concrete which comprises a used IM-2201 catalyst, crushed stone from carbonate rocks with the fraction of 5-10 mm, river sand with the fineness module of 1.68 and H₃PO₄, in addition it contains ferriferous slag of combined heat and power plant with the contents, wt %: SiO₂ - 53.3; Al₂O₃ - 4.5; Fe₂O₃ - 31.5; CaO - 1.2; MgO - 0.5; Na₂O - 0.47; K₂O - 0.13; p.p.p. - 8.4 at the following content of components, wt %: used catalyst IM-2201 10-15, crushed stone from carbonate rocks with the fraction of 5-10 mm 33-40, river sand with the fineness module of 1.68 10-13, H₃PO₄ 10-15, ferriferous slag of combined heat and power plant with the contents, wt %: SiO₂ - 53.3; Al₂O₃ - 4.5; Fe₂O₃ - 31.5; CaO - 1.2; MgO - 0.5; Na₂O - 0.47; K₂O - 0.13; p.p.p. - 8.4 24-30.

EFFECT: increase of the compression strength and heat resistance of heat-resistant concretes.

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