METHOD FOR PREPARING CLAYDITE-CONCRETE MIXTURE Russian patent published in 2003 - IPC

FIELD: industry of building materials. SUBSTANCE: method for preparing claydite-concrete mixture is carried out for two steps: solute component is prepared preliminary by mixing cement, small filling agent and water in the amount 30-40% of total water content with complex chemical addition including superplasticizing agent C-3, 0.25% and nitrilotrimethylene phosphoric acid, 0.05% of cement mass at the general temperature of components 18-20 C. Then claydite gravel with t = 80-120 C and remaining water, prepared claydite-concrete mixture with t = 40-50 C are added to the solute component following by molding. Invention can be used in production of articles made of light concrete, in part, claydite-concrete. EFFECT: improved preparing method. 1 tbl, 1 ex