CEMENT-FREE BINDER Russian patent published in 2015 - IPC C04B7/153 E21F15/00 

FIELD: construction.

SUBSTANCE: slag includes acid electrolyte with solution density ρ=1.310 g/cm³, and slag of steel-smelting production is electric steel-smelting slag. The cement-free binder including slag of steel-smelting production, burnt rocks of mine dump and slag produced as a result of neutralisation of spent electrolytes of acid accumulators by lime, contains electric steel-smelting slag as slag of steel-smelting production, and slag contains electrolyte with solution density ρ=1.310 g/cm³ at the following ratio, wt %: burnt rocks 14, steel-smelting slag - electric steel-smelting 78, slag 8.

EFFECT: increased strength.

3 tbl