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Buckling modes of double-channel cold-formed beams

Ghersi, A. / Landolfo, R. / Mazzolani, F.M.

AbstractThe present paper starts from the analysis of previous experimental results on double-channel cold-formed beams subjected to local and lateral-torsional buckling. The scope of this reanalysis is to identify the range of definition of the buckling modes, which influence the ultimate behaviour of such beams. The verification approach of EC3 and AISI have been compared to the experimental results, giving a satisfactory agreement. The definition of coupled instability range has been set up by means of EC3 formulations. The proposed equations relate together the main geometrical parameters of the beam, giving useful indications to the designer.

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Buckling modes of double-channel cold-formed beams

Ghersi, A. / Landolfo, R. / Mazzolani, F.M.

AbstractThe present paper starts from the analysis of previous experimental results on double-channel cold-formed beams subjected to local and lateral-torsional buckling. The scope of this reanalysis is to identify the range of definition of the buckling modes, which influence the ultimate behaviour of such beams. The verification approach of EC3 and AISI have been compared to the experimental results, giving a satisfactory agreement. The definition of coupled instability range has been set up by means of EC3 formulations. The proposed equations relate together the main geometrical parameters of the beam, giving useful indications to the designer.

Buckling modes of double-channel cold-formed beams

Ghersi, A. / Landolfo, R. / Mazzolani, F.M.

AbstractThe present paper starts from the analysis of previous experimental results on double-channel cold-formed beams subjected to local and lateral-torsional buckling. The scope of this reanalysis is to identify the range of definition of the buckling modes, which influence the ultimate behaviour of such beams. The verification approach of EC3 and AISI have been compared to the experimental results, giving a satisfactory agreement. The definition of coupled instability range has been set up by means of EC3 formulations. The proposed equations relate together the main geometrical parameters of the beam, giving useful indications to the designer.

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Title:

Buckling modes of double-channel cold-formed beams

Contributors:

Ghersi, A. (author) / Landolfo, R. (author) / Mazzolani, F.M. (author)

Published in:

Thin-Walled Structures ; 19 ; 353-366

Publication date:

1994-01-01

Size:

14 pages

ISSN:

DOI:

https://doi.org/10.1016/0263-8231(94)90039-6

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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