FIELD: construction.
SUBSTANCE: invention relates to production of construction materials and can be used to make concrete articles in civil and industrial construction, as well as for erection of special purpose. Method of producing concrete articles, including moulding articles, the article with subsequent hardening, the impregnation is carried out in ash of Berlin blue with density ρ=1.013 g/cm3 and pH=4.5-5.5 for 72 hours at 20-30°C.
EFFECT: high frost resistance of concrete product.
1 cl, 2 tbl, 3 ex
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Authors
Dates
2016-04-10—Published
2014-12-29—Filed