FIELD: manufacture of building materials. SUBSTANCE: sand blend contains, wt.%: Portland cement, 30.0-35.4; chemically pure chalk (microfiller), 8.4-11.0; run-of-quarry quartz sand (spacer), 14.0-29.3; foam former "Unipor", 0.5-0.7; and water, the balance. The blend can be used in manufacture of various-destination foamed concrete products. EFFECT: minimized shrinkage and enabled manufacture of non-autoclave nonshrinking foamed concretes. 2 tbl
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