TY JOUR TI EFFICIENCY OF REINFORCEMENT OF TECHNOLOGICAL SOIL BY MINERAL MODIFIERS KW compounded bitumen KW non-oxidized components of oil refining KW residual bitumens KW obtaining unoxidized bitumen KW modified binders JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Obukhov, A.G. AU Vysotskaya, M.A. PY 2021 IS 6 PB Belgorod State Technological University named after V.G. Shukhov