CHARGE FOR THE MANUFACTURE OF CELLULAR HEAT-RESISTANT CONCRETE Russian patent published in 2022 - IPC C04B38/10 C04B28/04 C04B111/20 

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-W 42.5N 40.76 - 44.23, sand with a grain size of no more than 0.63 mm 5.37 - 5.70, chamotte powder with a particle size of no more than 0.63 mm 4.87 - 5.17, protein-based foaming agent 0.04 - 0.06, blast furnace slag granulated with a particle size of no more than 0.63 mm 24.98 - 26.53, basalt fiber with a fiber size of 6-12 mm 1.96 - 2.08, water 18.55 - 19.70.

EFFECT: increase in axial tensile strength.

1 cl, 1 tbl, 1 ex