TY JOUR TI RESEARCH OF INFLUENCE OF WASTE OF ENRICHMENT OF THE KMA FERRUTEROUS QUARTZITES ON DOOBZHIGOVY PROPERTIES OF CONSTRUCTION MATERIALS KW clay raw materials KW clay KW ferruterous quartzites KW doobzhigovy properties JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Bondarenko, D.O. AU Sokolova , O.. AU Bondarenko, N.I. AU Bessmertnyy, V.S. AU Slabinskaya, I.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov