| 摘要 |
FIELD: industry of building materials. ^ SUBSTANCE: invention relates to raw mixture compositions used for preparing light concretes. Proposed mixture for preparing light concretes comprises the following components, wt.-%: water glass, 0.1-0.3; shelly limestone, 25-30; keramzit gravel, 61-66.5; granulated blast furnace slag, 1.9-3.7, and lime, 4.5-7. Invention provides decreasing volume mass of concrete. ^ EFFECT: improved and valuable property of concrete. ^ 1 tbl |
