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LRFD HSS flexure analysis question
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- Subject: LRFD HSS flexure analysis question
- From: "Eric Green" <EGreen(--nospam--at)walterpmoore.com>
- Date: Wed, 22 Jan 2003 11:07:22 -0600
When designing a HSS for flexure, the wall slenderness ratio is defined as h/t. My question, is h/t defined relative to the axis of bending, or is is defiend as the larger of h/t or b/t?
For example, assume a HSS12x8x3/8 is being bent about the strong axis, in which case h/t = 31.4 (and b/h = 19.9). However, of the same member is bent about the weak axis, h/t = 19.9 (and b/h = 31.4). Should 31.4 be used for both analysis, or 31.4 for the strong axis and 19.9 for the weak?
It seems to me h/t is relative to the axis of bending and different number should be used for weak and strong axis bending.
Eric Green - Speaking only for myself, and nobody else. |
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