| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to composition of a concrete mixture and can be used in the industry of construction materials, particularly in production of concrete wall blocks for low-height construction. The concrete mixture contains the following in wt %: portland cement 22.0-24.0; 10-20 mm fraction expanded clay 34.2-35.8; haydite sand 7.0-11.0; superplasticiser S-3 0.8-1.2; ground silicate glass 6.0-8.0; water 24.0-26.0. ^ EFFECT: increase in frost-resistance while preserving strength. ^ 1 tbl |
