| 摘要 |
manufacture of monolithic prefabricated concrete and reinforced concrete products and structures and also petroleum-extracting industry. SUBSTANCE: concrete mix comprises cement, filling agent water and additive, ratios of components being as follows, wt parts: dispersive silica, 50-65; superplasticizer, 15- 80; neutralized air-attracting and water-repelling organosilicon powder, 0.1-0.5; electrolyte modified industrial lignosulfonates with molecular weight of 10-50, kDa 10-12. Ratios of components are as follows, kg/cubic m; cement, 300-520; filling agent, 1590-2030; water, 105-147, additive, 1-5 % of weight of cement. EFFECT: high strength, waterproofness and frost resistance of plasticized concrete. 11 cl, 3 tbl
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