Warping constant for steel channel
Warping constant for steel channel
(OP)
This subject was addressed in a thread a couple of years ago but never seemed to come to a conclusion.
I need to determine the limiting unbraced length and buckling moment of a steel channel section. I am using AISC's LRFD 3rd Edition, Chapter F, Section F2a, wherein it calls for the use of a term Cw, the warping constant of the member.
I can't seem to find a source to show how to calculate this.
Can anyone provide any data on this?





RE: Warping constant for steel channel
Try http://www.iesweb.com/products/shapebuilder/
This program will allow you to find the Cw and other properties of any shape from imported dxf or its own database.
HTH
VOD
RE: Warping constant for steel channel
If you choose Options -> Show formulae, you'll see the formula used for Cw.
prex
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RE: Warping constant for steel channel
RE: Warping constant for steel channel
Thanks so much for your quick responses. I've got my answer.
From xcalcs.com I got the formula for Cw and from Table 1-29 (which was obviously in my book the whole time --- I just didn't know where), I see all the properties that I need.
Much obliged, fellows.
http://www.spiraleng.com