TY JOUR TI TECHNOLOGY OF OBTAINING MULTILAYER STRUCTURES VARIATIONAL STRUCTURE KW concrete KW production of concrete KW methods of preparation KW variational structure. JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Shorstov, R.A. AU Suleymanova, L.A. AU Kara, K.. PY 2019 IS 4 PB Belgorod State Technological University named after V.G. Shukhov