| 摘要 |
FIELD: chemistry.SUBSTANCE: invention relates to production porous aggregates for concrete. The mixture for making porous aggregate contains, wt %: montmorillonite clay 96.5-97.5, coal which is ground and sieved through sieve No 014 0.5-1.0, dolomite which is ground and sieved through sieve No 014 0.5-1.0, sawdust sieved through sieve No 5 0.5-1.0, carboxymethyl cellulose 0.5-1.0.EFFECT: high strength of the porous aggregate made from the mixture.1 tbl |
