| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to production of construction materials and can be used in making composite binder. The binder contains the following, %: CEM 1 cement 75-90, mineral additive - ground gaise subjected to preliminary thermal processing for 15-25 minutes at temperature 450-510C and having specific surface area of not less than 660 m2/kg - the rest. ^ EFFECT: high strength of hardened cement paste. ^ 1 tbl, 1 ex |
