CONCRETE MIXTURE

摘要

FIELD: chemistry.SUBSTANCE: invention relates to the industry of construction materials and specifically to composition of a concrete mixture for making concrete wall blocks for low-height construction. The concrete mixture contains the following, wt %: portland cement 23.0-25.0; expanded clay with grain size of 20-40 mm 20.0-25.0; haydite sand 18.0-24.0; superplasticiser S-3 1.1-1.3; bone glue 6.7-0.9; expanded clay dust 7.0-11.0; water 20.0-23.0.EFFECT: high frost resistance.1 tbl