FIELD: chemistry.
SUBSTANCE: invention relates to construction materials and specifically to autoclave hardened cellular concrete. The autoclave foam concrete mixture contains the following in wt %: portland cement 17.52-19.90; lime 6.9-7.18; sand 45.17-47.05; foaming additive 0.23-0.24; water 19.46-19.61; waste condensate from autoclave treatment of cut foam concrete - air brick 8.34-8.40.
EFFECT: faster development of cutting strength and reduced dry shrinkage.
1 tbl, 1 ex
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|
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