FIELD: construction.
SUBSTANCE: heat-resistant concrete contains liquid glass, finely ground fire clay, ferrochromium slag, crushed slag from the aluminothermic welding of rails with a grain size of 0.01 to 20 mm, by 90% consisting of hercynite and aluminium oxide, at the following ratio, wt %: liquid glass - 23-25, finely-ground fire clay - 13-14, ferrochromium slag - 4-6, said slag 55-60.
EFFECT: increasing the concrete strength.
1 tbl
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