TY JOUR TI NON LINEAR PROBLEMS OF OBLIQUE BENDING KW cross-sectional shape of the beam KW load-bearing capacity of the material of construction KW oblique bend KW Z-profile with an inclined wall KW Prandtl’s diagram JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Yuriev, A.G. AU Zin'kova, V.A. PY 2023 IS 8 PB Belgorod State Technological University named after V.G. Shukhov