TY JOUR TI ASSESSMENT OF THE STRESS STATE OF REINFORCED CONCRETE SUPPORTS OF A TECHNOLOGICAL OVERPASS REINFORCED WITH STEEL FIBER CONCRETE KW steel fiber concrete KW cage KW numerical experiment KW column KW destruction JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Sharafutdinov, L.A. AU D'yachuk, E.V. PY 2026 IS 11 PB Belgorod State Technological University named after V.G. Shukhov