FIELD: construction industry.
SUBSTANCE: invention relates to the field of construction materials and can be used for the production of silicate bricks. The raw material mixture for the production of silicate bricks includes a lime-silica binder with an activity of 35-40% and a specific surface area of 5000-6000 cm2/g, obtained by joint grinding of a mixture of quartz sand and lime, with an activity of 70-80% in a ratio of 1:1, quartz sand with a size modulus of 1.1-1.3, ground granular blast furnace slag with the following component ratio, wt. %: lime-silica binder 18, quartz sand 73-76, ground granular blast furnace slag 6-9.
EFFECT: increase in strength, frost resistance and a decrease in water absorption.
1 cl, 2 tbl
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