摘要 |
FIELD: construction.SUBSTANCE: concrete mixture comprises, pts. wt.: artificial cement 30.0-35.0; ash and slag filler 27.8-32.0; ground to complete passage of spongolite 17.0-21.0 through the mesh 014; sodium ethyl silicate 1.0-1.5, at water-cement ratio of 0.45-0.5.EFFECT: increase of concrete strength.1 tbl |