TY JOUR TI THE USE OF PYROMETALLURGICAL INDUSTRY WASTES IN THE PRODUCTION OF MATERIALS FOR LAYING EXCAVATION KW synthetic anhydrite KW modified binder KW structure KW physical and mechanical properties KW sulfuric acid KW in-dustrial waste KW pyrometallurgy JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Bur'yanov, A.F. AU Gal'ceva, N.A. AU Grunina, I.A. PY 2019 IS 4 PB Belgorod State Technological University named after V.G. Shukhov