FIELD: chemistry.
SUBSTANCE: crude mixture for making brick contains, wt %: fine quartz sand 49.2-52.2; portland cement 25.0-27.0; lime paste 7.0-10.0; water 13.0-15.0; capron fibre cut to 5-15 mm pieces 0.3-0.5; superplasticiser S-3 0.3-0.5.
EFFECT: high strength of brick made from the crude mixture.
1 tbl
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RU2469973C1 |
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|
RU2522559C1 |
