CONCRETE MIXTURE

摘要

FIELD: building industry.SUBSTANCE: concrete mixture comprises, wt %: portland cement 49.47-50.62; silica sand sifted through mesh № 063 10.61-10.88; polystyrene foam crumbs with the particle size of 0.5-3.5 mm and bulk density of 13-15 kg/m 2.02-2.07; fireclay sifted through mesh № 008 10.61-10.88; superplasticiser C-3 0.44-0.46; liquid soda glass with the density of 1300-1500 kg/mand the silicate module of 2.6-3 2.39-2.52; polyethylene siloxane 2.39-2.52; water 20.79-21.33.EFFECT: increase in the heat resistance of the concrete.1 tbl