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TORSIONAL BUCKLING[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: "Struct EngAssoc" <seaint(--nospam--at)seaint.org>
- Subject: TORSIONAL BUCKLING
- From: "ASC" <ggg(--nospam--at)bigpond.net.au>
- Date: Tue, 5 Jun 2007 18:43:06 +1000
Question was asked:
In which conditions torsional buckling of columns will be more critical =
than lateral buckling? I read in a book that torsional buckling in CROSS =
shape columns may govern the allowable axial stress, but there was no =
specific reason mentioned. Has anybody experience in this area?
The slenderness ratio has a lot to do with it.
High slenderness: usually bending dominates (Euler)
Low slenderness: usually plasticity governs
Intermediate range: Open sections tend to buckle in torsion-with-bending mode.
Examples: CROSS columns and angles.
Sincerely, Gregory from Oz
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