摘要 |
FIELD: construction.SUBSTANCE: composition for production of porous aggregate comprises, wt %: sodium water-glass with density of 1.41 g/cm50-75, sodium chloride, milled to size less than 0.3 mm, 1-3, slaty ash, ground to pass through the sieve of 0.14 mm and containing, wt %: SiO- 22.4; AlO- 12.2; FeO- 7.8; MgO - 1.3; CaO - 17.3; RO - 5.2; percentage point - 33.8, 22-49.EFFECT: improved strength during compression and softening factor of porous aggregate, industrial waste utilisation.4 tbl |