| 摘要 |
FIELD: construction industry. ^ SUBSTANCE: invention refers to procedure of obtaining special cementing materials, and namely to manufacture of expanding and non-shrinking cements. In method of obtaining non-shrinking cementing material on the basis of aluminous cement and gypsum, which involves dosing and further combined fine grinding of components, to composition at combined grinding there additionally introduced is 1-15% of siliceous component, 1-25% of carbon-bearing component and 0.1-1.5% of plasticising component, and obtained mixture is ground till material retained on 008 sieve is not more than 5%. ^ EFFECT: longer setting period of non-shrinking cementing material. ^ 2 tbl |
