| 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, shale ash, containing, wt %: SiO- 30.8, AlO- 13.8, FeO- 7.2, MgO - 1.4, CaO - 15.2, RO - 4.2, percentage point - 27.4, 22-49.EFFECT: improved strength during compression and softening factor of porous aggregate, industrial waste utilisation.4 tbl |
