Warping Constant Equations 2

[fatrol]

Does anyone know how to calculation the warping constant (Cw) for a W beam with a channel cap? This is regards to lateral torisional bending. Does anyone also know how to calculate St. Venents torsional constant?

 

[Lutfi]

AISC design Guide 9, Torsional Analysis of structural steel members is an excellent dissertation of the design of torsion.

Example 5.7 in the DG 9 deals with crane runway girder (beam with cap channel) that I think is very similar to your situation.

I recommend that you get a copy of DG 9. You can buy one from AISC or down load direct from their web site

http://www.aisc.org

(free for member). I am pretty sure it will help you.

Regards,


Lutfi

http://www.cdeco.com

 

[fatrol]

Thanks, I also found a document from the Canadian Institute of Steel Construction website. Link is

http://www.cisc-icca.ca/material/images/torsionprop.pdf

Is this document similar to AISC?

 

[UcfSE]

I agree with Lutfi, DG 9 is worth the money.