Experimental investigation of four-point bending of thin walled open section steel beam loaded and set in the shear center.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
04 May 2022
04 May 2022
Historique:
received:
03
11
2021
accepted:
30
03
2022
entrez:
4
5
2022
pubmed:
5
5
2022
medline:
5
5
2022
Statut:
epublish
Résumé
Thin walled cold formed structures were, and still are, very popular structural elements used in mechanical engineering. Modern technology and the progress in materials engineering allow to fabricate various shapes of thin walled cold formed components. Therefore, combinations between technology possibilities, material properties, loads and engineering requirements are wide and unlimited for thin walled components. The aim of this paper is to perform an experimental study of cold formed C-channel steel beams under four-points bending loads based on the global and the local buckling phenomena. A test rig was developed with a specially designed support system to subject thin-walled steel beams to a four-point bending load, where the support and loads were applied to the shear center of the open section steel beam. It is shown that it is not possible to completely eliminate the torque load on a thin-walled beam with an open section where load and support are applied in the shear center because investigated beams weren't ideal made. Thin walled open section beams are very sensitive for boundary conditions and geometrical accuracy. The force of gravity is also working. The presented research methodology can be improved and do test with other open section thin walled beams.
Identifiants
pubmed: 35508499
doi: 10.1038/s41598-022-10035-z
pii: 10.1038/s41598-022-10035-z
pmc: PMC9068785
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
7275Informations de copyright
© 2022. The Author(s).
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