摘要 |
FIELD: construction.SUBSTANCE: raw mixture for production of ceramic bricks of semidry shaping comprises a milled clay, waste pile "red", waste pile "black", milled until the complete passing through the sieve with size of holes of 0.315-0.63 mm, and colloidal 30-percent solution of oligopeptides in water at the following ratio of components (pts. wt.): specified waste pile "red" 13-67; specified waste pile "black" 13-67; clay 12-16; colloidal 30 percent solution of oligopeptides in water 4-8.EFFECT: increase of frost resistance and durability of products and removal of burned rocks from the environmental, forming after the spontaneous combustion of oil shales.3 tbl |