RAW MIX FOR PREPARING BUILDING PRODUCTS Russian patent published in 2001 - IPC

FIELD: building materials industry. SUBSTANCE: raw mix comprises cement, superplasticizer, mineral component, and water. Mineral component includes brickbats having fractions, wt.%; 0-315 mm, 16-18; 0.63 mm, 6.8-8.25 mm, 10-12; 2.5 mm, 11-13; 5 mm, 18-20 ratios of components being as follows, wt %: cement, 18-20; superplasticizer, 0.0013-0.0024; broken brick, 58-63; and water, the balance. Mineral raw mix component comprises broken ceramic brickbats or broken silicate brickbats, or brickbats with fragments of masonry mortar or mixture of ceramic silicate brickbats and mortar-containing brickwork. Raw mix further comprises pigment. EFFECT: lower price of fine-piece products due to use of production waste that pollute environment. 6 cl, 2 tbl