BASIC MIXTURE FOR NON-AUTOCLAVED POROUS CONCRETE PRODUCTION (VARIANTS) Russian patent published in 2005 - IPC

FIELD: building materials, particularly porous mortars, concrete, artificial stone or ceramic ware.

SUBSTANCE: basic mixture in accordance to the first embodiment comprises the following components taken in % by weight: Portland cement - 50-70 and remainder is high-calcium ash obtained at heat power plant. Basic mixture in accordance to the second embodiment comprises the following components taken in % by weight: Portland cement - 40-60, sand 20-30 and remainder is high-calcium ash obtained at heat power plant. Basic mixture in accordance to the third embodiment comprises the following components taken in % by weight: Portland cement - 30-70, ammonia chloride or ammonia sulfate - 0.5-1.5 and remainder is high-calcium ash obtained at heat power plant. Basic mixture in accordance to the forth embodiment comprises the following components taken in % by weight: Portland cement - 30-70, ammonia chloride or ammonia sulfate - 0.5-1.5, bentonite - 0.25-3.0 and remainder is high-calcium ash obtained at heat power plant.

EFFECT: reduced power inputs for concrete and concrete article production, provision of undirected capillary porosity, low moisture content and shrinkage and stable time-increasing strength.

4 cl, 4 tbl