| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to the industry of construction materials and specifically to making concrete wall blocks for low-height construction. The concrete mixture contains the following in wt %: portland cement 21.0 - 25.0, expanded clay 21.6 - 23.1, haydite sand 20.0 - 23.0, water 21.0 - 25.0, superplasticiser S-3 0.9 - 1.4, scrap sheet glass ground to specific surface area 4500 -5500 cm2/g 7.0 - 11.0. ^ EFFECT: high strength of articles made from the mixture. ^ 1 tbl |
