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RE: Weak axis bending of cold-formed steel members[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: <seaint(--nospam--at)seaint.org>
- Subject: RE: Weak axis bending of cold-formed steel members
- From: "Bob Riley" <bob(--nospam--at)m-me.com>
- Date: Wed, 8 Sep 2004 08:26:29 -0700
Thanks for the program reference, I haven’t yet had a chance to do anything with it, but it looks like it should be helpful. That site has some pretty good links as well. The compression portions are stiffened and I am using the effective section properties, so I believe I am taking into account the local buckling strengths. I just wanted to be sure I was taking into account the LTB issues.
Bob Riley, P.E.
Are the compression portions of your hat stiffened? i.e. is it a U-shaped section or do the points on the U have lips to stiffen it? Without being stiffened, I would think that LTB could possibly be a concern, but local buckling of the compression elements would be more of a problem.
Check out this free downloadable program for finite strip analysis by Ben Schafer at Johns Hopkins http://www.ce.jhu.edu/bschafer/. I used it once for column loading on a light-gage U-shaped member to back up some hand calcs. It took maybe an hour or two to figure out the program, but it gave me some great results that I was able to back up and feel very comfortable with.
Do you Yahoo!?
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