CHARGE FOR THE MANUFACTURE OF CELLULAR HEAT-RESISTANT CONCRETE Russian patent published in 2022 - IPC C04B38/10 C04B28/04 

FIELD: construction materials.

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, wt, %: Portland cement CEM II /A-SH 42.5N 41.29-44.74, sand with a grain size of not more than 0.63 mm 5.43-5.77, chamotte powder with a particle size of not more than 0.63 mm 4.93-5.23, blast furnace granulated slag with a particle size of not more than 0.63 mm 14.53-15.43, basalt powder with a particle size of no more than 0.63 mm 10.74-11.41, basalt fiber with a fiber size of 6-12 mm 0.83-0.89, protein-based foaming agent 0.03-0.05, water 18.77-19.93.

EFFECT: decrease in the coefficient of thermal expansion during the first warm–up.

1 cl, 1 tbl, 1 ex