| 摘要 |
FIELD: chemistry.SUBSTANCE: raw material mixture for autoclave foam concrete contains, wt %: Portland cement 24.97-25.18, siftings of rubble , obtained by sifting building wastes from dismantling of buildings and constructions on sieve No. 5, which contain, wt %: heavy concrete breakage, represented by low-basic hydrosilicates - 80%, ceramic brick breakage - 16%, chip, polystyrene, bituminous concrete, broken glass - 4%, milled to specific surface 430 m/kg 42.68-43.58, milled quicklime 1.54-2.59, protein-based foaming additive 0.23-0.24, water - the remaining part.EFFECT: reduction of thermal conductivity coefficient of autoclave foam concrete obtained from raw material mixture, wastes utilisation.1 tbl, 1 ex |
