Non-linear Behaviour Of Thin-walled Open Section Composite Beams
In Lateral Stability
Author(s)
M.Z Kabir, S.H. Mousavi
Abstract
Non-linear behaviour of thin-walled open section
composite beams in lateral stability
M.Z. Kabir, S.H. Mousavi
Department of Civil Engineering,
AmirKabir University of Technology, Tehran, Iran
Abstract
An analytical study along with a numerical investigation is conducted to
determine the lateral buckling strength of thin-walled open-section I shape
composite beams. Based on Vlasov-type linear hypothesis beam stiffness
coefficients, which account for a cross section geometry and material anisotropy
of the section, are obtained. In this study the axial and bending coupling terms
(A^,A^,D^,D^) and the coupling between bending and twisting terms
(B. ), which refer to anisotropic structural behaviour of the beam are also
considered. In order to drive a better estimate of load capacity of composite
beams, the transverse shear strain effect on the lateral buckling is included in
calculations. To verify the analytical manipulations, the finite element software,
ANSYS,
Keywords
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