FIELD: construction materials industry.
SUBSTANCE: invention relates to the field of construction materials, in particular to heat-resistant concrete intended for use in conditions of elevated temperatures. The charge for the manufacture of cellular heat-resistant concrete contains, by wt. %: Portland cement 50.40-54.30, chamotte powder with a particle size of no more than 0.63 mm 0.63 - 0.75, sand with a grain size of no more than 0.63 mm 6.10 - 7.78, a protein-based foaming agent 0.35-0.39, basalt fiber with a fiber length of 6-12 mm 1.50 - 1.70, water 37.12 - 38.98.
EFFECT: increase in the tensile strength during bending while maintaining the thermal conductivity coefficient of cellular heat-resistant concrete.
1 cl, 1 tbl, 1 ex
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