TY JOUR TI ANALYSIS OF THE LIVELIHOOD OF A CORE TRUSS UNDER DESIGNED IMPACTS KW survivability KW critical loads KW progressive destruction KW out-of-design impact KW structural reliability. JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Krutikova, M.A. AU Degtyar', A.N. PY 2026 IS 11 PB Belgorod State Technological University named after V.G. Shukhov