FIELD: construction.
SUBSTANCE: invention relates to construction materials, in particular to polystyrene concrete used in heat-saving enclosing structures of buildings and structures. Composition for making polystyrene concrete contains the following, wt%: mineral binder 60–80, foamed polystyrene aggregate with density of 5–20 kg/m3 of fractional composition, vol%: 5–10 mm fraction 5–20, 2–5 mm fraction 80–95, 2–20, protein plasticizer 0.75–1.5, water — balance, wherein the mineral binder contains cement, a mineral-polymer additive consisting of polypropylene fiber, dolomite flour and finely ground slag, with the following ratio of components, wt%: cement 90–95, mineral-polymer additive 5–10.
EFFECT: obtaining environmentally friendly polystyrene concrete with improved physical properties and operational properties, with increased heat resistance.
1 cl, 4 ex
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