TY JOUR TI Methodological justification for the calculation of cold-formed steel thin-walled profiles in bridge structures at the project stage KW cold-formed thin-walled steel profile KW LGSF KW Vlasov theory KW theory of supercritical load-bearing capacity KW buckling KW bimoment KW local stability KW pedestrian bridge JO Proceedings of Petersburg Transport University AU Solov'ev, N.A. AU Chizhov, S.V. AU Avdey, Y.V. PY 2024 IS 21 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"