TY JOUR TI IMPROVING THE EFFICIENCY OF LARGE-PORE CONCRETE THROUGH THE USE OF COMPOSITE BINDERS FROM TECHNOGENIC RAW MATERIALS OF DIFFERENT NATURE KW mass concrete KW composite binders KW technogenic raw materials KW wet magnetic separation KW crushing screenings of quartzitic sandstone. JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Ageeva, M.. AU Bogusevich, G.. AU Lesovik, G.. AU Sopin , M.. AU Lesovik , R.. AU Shapovalov, S.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov