| 摘要 |
FIELD: manufacture of building materials. SUBSTANCE: raw meal for manufacturing cast-in-place and prefabricated concrete and reinforced concrete constructions contains, wt.%: Portland cement clinker with industrial fineness of grinding, 77.520-79.050; industrial-grade lignosulfonate, 0.395-1.0; soluble sodium glass, 1.5-1.938; and water, the balance. EFFECT: increased strength of cement compositions and mobility of mix. 2 tbl |
