FIELD: construction.
SUBSTANCE: invention relates to production of construction materials and may be used for making ceramic bricks. Crude mixture for making ceramic bricks containing clay, crushed brick wastes upon drying, according to the invention additionally contains spent foundry quartz sand being industrial waste of foundry at machine building plants; basalt flour in the form of fine fibrous mass, being industrial waste of heat-insulation basalt board manufacturing, wall and roof panels on their basis in the following component proportion, wt%: clay 75.0-96.0; crushed brick wastes upon drying 0.5-2.0; spent foundry quartz sand 2.0-21.0; basalt flour 0.5-2.0.
EFFECT: technical result is increased bending and compression strength of brick, reduced heat conductivity and low cost of production.
1 cl, 4 tbl
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