摘要 |
FIELD: building material industry, in particular concrete composition for concrete products. ^ SUBSTANCE: claimed mixture contains (mass %): high-calcined fly ash from cogeneration plant 45-49; sand 21-24; microsilica (e.g. waste from crystal silicium production) 3-4; additionally mineralized waste from non-iron metallurgy 1.5-2.5; and balance: water. ^ EFFECT: more inexpensive concrete mixture with improved strength; environmentally friendly method due to industrial waste utilization. |