METHOD OF PREPARATION OF CONCRETE MIX Russian patent published in 2002 - IPC

FIELD: manufacture of building materials for construction engineering, industrial engineering and water-development works. SUBSTANCE: method of preparation of concrete mix includes mixing of crushed stone, sand, Portland cement and liquid phase of calcium hypochlorite pulp. Provision is made for additional introduction of calcium chloride into liquid before mixing the components depending on purpose of concrete and mineralogical composition of portland cement; calcium chloride is introduced at ratio of calcium chloride and calcium hypochlorite of 5:100. EFFECT: extended field of application of concrete mixes on standard portland cement due to control of their properties because of use of additive containing mixture of liquid phase of calcium hypochlorite and calcium chloride pulp. 4 tbl, 2 ex