TY JOUR TI EXPERIMENTAL STUDY OF MODELS OF BUILDING METAL STRUCTURES UN-DER DYNAMIC LOADS KW dynamic load KW reinforcement KW experimental research KW frame assemblies KW metal structures KW strength KW testing machine JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Al' Sabaei, A.K. AU Absimetov, V.E. PY 2025 IS 10 PB Belgorod State Technological University named after V.G. Shukhov