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- To: "'seaoc(--nospam--at)seaoc.org'" <seaoc(--nospam--at)seaoc.org>
- Subject: Curved Steel Beams
- From: Tom Castle <tcastle(--nospam--at)fwcse.com>
- Date: Wed, 18 Feb 1998 17:09:34 -0800
I am working on a structural steel framed roof with a curved "turtle shell" surface. Of course the architect wants the volume ceiling to reflect the top side of the roof, so no trick flat beams below. I have a couple options as to how to frame it, but was wondering what the practical limits are as to how tight a radius a wide flange beam can be curved. The beam size would be about a W16x26. I suppose that the beam can always be fabricated out of plates, but I if think I want to avoid this. I know how to analyze the beam once it is made, but can it be made and are there residual stresses that must be taken into account? The radius at some points is as little as 12 feet. Any thoughts? It would be appreciated. Thanks. Thomas Castle, S.E.
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