FIELD: chemistry.
SUBSTANCE: concrete mixture contains, wt %: slag portland cement 25-30; blast-furnace slag ground until passage through sieve N 20 34-38; andesite flour 35.5-36.3; glass fibre cut to 10-20 mm pieces 0.5-0.7, with water-to-cement ratio of 0.5-0.55.
EFFECT: reduced loss of strength of articles made from the concrete mixture during glazing.
1 tbl
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