TY JOUR TI ANALYSIS OF CORROSION DAMAGES OF REINFORCED CONCRETE STRUC-TURES IN OPERATION KW corrosion damage KW bending reinforced concrete structure KW concrete KW steel reinforcement KW aggressive environment KW defect KW exploitation JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Smolyago, G.A. AU Frolov, N.V. AU Dronov, A.V. PY 2019 IS 4 PB Belgorod State Technological University named after V.G. Shukhov