TY JOUR TI NUMERICAL RESEARCHES OF THE STRESSED-STRAINED STATE OF PLASTIC TUBED CONCRETE PIER UNDER CENTRAL COMPRESSION LOAD KW plastic tubed concrete KW tubed concrete KW triaxial compression KW civil structures KW strength calculation JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Dolzhenko, A.V. AU Naumov, A.E. AU Shevchenko, A.V. AU Stoykovich, N.. PY 2018 IS 3 PB Belgorod State Technological University named after V.G. Shukhov