TY JOUR TI ON THE QUESTION OF ESTIMATION OF THE WALL DEFORMABILITY OF THIN-WALL COLD FORMED PROFILES WITH A TRAPEZOID PART IN BOLT NODAL JOINTS KW bolted joint KW thin-walled cold-formed profile KW through bush with stop KW local stability KW trapezoidal part of the wall KW prototype KW top flange JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Gaynetdinov, R.G. AU Gimranov, L.R. AU Sibgatullin, M.T. PY 2022 IS 7 PB Belgorod State Technological University named after V.G. Shukhov