TY JOUR TI THE NEED FOR A PLASTICIZER IN THE PRODUCTION OF POLYMERIC-BITUMEN BINDERS KW polymer-bitumen binder KW physical and mechanical properties JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Vysotskaya, M.A. AU Kuznecov, D.A. AU Litovchenko, D.P. AU Barkovskiy, D.V. AU Shiryaev, A.O. PY 2019 IS 4 PB Belgorod State Technological University named after V.G. Shukhov