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Re: Sanity Check - Steel Column Web-Stiffeners per AISC Design Guide 13

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My impression is he did 2/sqrt(2) there in equation 4.3-8. That is why
there is sqrt(2) there.

I may be wrong.

On Wed, Jan 22, 2014 at 5:50 PM, Polhemus, William

> I'm staring at this passage from the Design Guide No. 13 published by 
> AISC, and I think it's in error but I'm unfortunately doubtful I'm 
> looking at it correct.
> On page 24, there is an equation (4.3-8) dealing with "double-sided 
> fillet welds" for welding the stiffener to the back-side of a column 
> flange. 
> If the width of the stiffener plate touching the flange is b-sub-s, and 
> the plate is clipped, such that the length of the plate touching the 
> flange would be (b-sub-s - clip), seems to me the TOTAL LENGTH of 
> two-sided fillet weld on the two stiffener plates would be 4*(b-sub-s - 
> clip). 
> However, if I'm reading that equation right, he is accounting for only
> 2*(b-sub-s - clip).
> Can anyone comment? Who's wrong, me or the author?
> William L. Polhemus, Jr. P.E.
> Lead Civil/Structural Engineer
> CRA Engineering Group, Inc.

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