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Imperfection amplitudes for nonlinear analysis of open thin-walled steel cross-sections used in rack column uprights

Autor
Pastor, M.M.; Casafont, M.; Bonada, J.; Roure, F.
Tipus d'activitat
Article en revista
Revista
Thin-walled structures
Data de publicació
2014-03-01
Volum
76
Pàgina inicial
28
Pàgina final
41
DOI
https://doi.org/10.1016/j.tws.2013.10.025 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/20890 Obrir en finestra nova
URL
http://www.sciencedirect.com/science/article/pii/S0263823113002863 Obrir en finestra nova
Resum
When numerical models are used to predict behaviour of open thin-walled steel cross-sections, the nonlinear analysis results can be influenced by the magnitudes introduced as initial imperfection. At present, a wide range of values is considered in research concerning this topic. This paper explores up to what point the nonlinear analysis results are sensitive to the choice of imperfection magnitudes and attempt to refine the spectrum of magnitudes that should be used. The study focuses on rack ...
Citació
Pastor, M. [et al.]. Imperfection amplitudes for nonlinear analysis of open thin-walled steel cross-sections used in rack column uprights. "Thin-walled structures", Març 2014, vol. 76, p. 28-41.
Paraules clau
Initial Geometrical Imperfections, Rack Column Uprights, Fe Analysis, Cold-formed Steel, Lipped Channel Columns, Design Considerations, Compression, Behavior, Members
Grup de recerca
REMM - Recerca en Estructures i Mecànica de Materials