Lateral Buckling of Coped Steel Beams

Lateral–torsional buckling resistance of coped beams

“…According to previous research [1][2][3][4][5][6][7][8][9], the influence of the cope increases with increasing depth to span ratio. Therefore, most calculations were carried out on relatively stocky beams.…”

“…When copes are used, local web deformation in the coped part or lateral-torsional buckling of the coped part of the section may reduce the elastic critical buckling load of the entire section [4,3]. Local web deformation may also occur if endplates are not welded to the full height of the section end.…”

Development and validation of a numerical model for buckling of coped beams

“…du Plessis [2], Lindner and Gietzelt [3], Cheng et al [4], Lam et al [5] and Abspoel and Stark [6,7] studied the elastic critical (Euler) buckling load of coped beams using a numerical model. Gupta [8] derived an analytical model by using assumed deformations to obtain approximate elastic critical buckling loads.…”

“…du Plessis [2], Cheng and Yura [9], and Lindner [10][11][12][13][14] carried out full-scale tests on coped beams for determination of the buckling resistance. These tests were carried out with connections to main beams as applied in practice, resulting in partial restraints to rotation about the weak and strong axes of the beam supports.…”

Lateral-torsional buckling of simply supported beams under uniform bending and axial tensile force

“…The resistance of a laterally unsupported beam, under bending moments and axially compressive force, against lateral-torsional buckling is widely studied by many investigators, theoretically or experimentally, in the elastic or inelastic range [1][2][3][4][5] as well as by using finite element methods [6,7]. The conclusions are already introduced in the new codes.…”