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Buckling Study of Thin‐walled Channel Beams with Double‐box Flanges in Pure Bending
Author(s) -
MagnuckaBlandzi E.,
Paczos P.,
Wasilewicz P.
Publication year - 2012
Publication title -
strain
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.477
H-Index - 47
eISSN - 1475-1305
pISSN - 0039-2103
DOI - 10.1111/j.1475-1305.2011.00825.x
Subject(s) - buckling , finite element method , structural engineering , bending , box girder , pure bending , materials science , finite strip method , cold forming , engineering , girder
This paper provides the results of numerical and experimental investigations of buckling problems of cold‐formed, thin‐walled channel beams with double‐box flanges under pure bending. A local and global buckling analysis is realised numerically with the use of the finite strip method. A local buckling has been experimentally studied and also numerically with the use of the finite element method. Experimental tests of beams subjected to pure bending are conducted. The results of numerical and experimental investigations are presented and compared. A fundamental influence of double‐box flanges on the critical load is shown.