FIELD: building industry. SUBSTANCE: raw mixture has the following components, wt. -%: portland cement 21-45; small filling agent 16-50; sodium hydroxide 0.20-0.35, and aluminium sulfide 0.20-0.45. Mixture has aluminium powder-base water-soluble paste as pore-forming addition 0.04-0.08 and alcoholic continuous distilling by-side product of alcohol purification by rectification method as mixing liquid - the rest. Raw mixture provides producing concrete of improved physical-mechanical properties - enhanced strength and density and ensures to utilize alcohol production waste. Porous concrete is used in building industry. EFFECT: improved quality and property of concrete and ecology. 1 ex, 1 tbl
Authors
Dates
1998-09-10—Published
1997-02-05—Filed