Lateral buckling of tapered thin walled bi-symmetric beams under combined axial and bending loads with shear deformations allowed

•New nonlinear kinematical model for tapered beams is proposed.•New geometrical parameters associated to the shear deformations are considered.•Nonlinear analysis procedure by Ritz method is developed.•New lateral buckling resistance results for box and I beams are provided. In this paper, the effec...

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Veröffentlicht in:	Engineering structures 2018-06, Vol.165, p.76-87
Hauptverfasser:	Osmani, Amine, Meftah, Sid Ahmed
Format:	Artikel
Sprache:	eng
Schlagworte:	Axial forces Beam theory (structures) Box beams Buckling Cantilever beams Cantilevers Computer simulation Deformation Deformation effects Eigenvalues Elastic buckling Elastic deformation Equilibrium equations Finite element analysis Finite element method Kinematics Lateral stability Lateral-torsional buckling Mathematical models One-dimensional model Ritz method Ritz’s method Shear Shear flexibility Stiffness matrix Tapered I beams and cantilevers
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