TY JOUR TI CALCULATION OF BENDABLE PRESTRESSED PRECAST-CAST-IN-PLACE STRUCTURES ON THE BASIS OF THE VLASOV-MILEYKOV VARIATIONAL METHOD TAKING INTO ACCOUNT THE JOINTS DEFORMABILITY KW Vlasov-Mileikovsky variational method KW stress-strain state KW composite rod KW precast-cast-in-place concrete KW prestressed concrete JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Davidenko, P.A. AU Shevchenko, A.V. AU Erizhokova, E.S. PY 2019 IS 4 PB Belgorod State Technological University named after V.G. Shukhov