> -------Original Message-------
> From: Paul Guthrie <PGuthrie@simivalley.org>
> Subject: RE: Re: Shear Flow AISC 13th Ed
> Sent: Jan 26 '09 20:08
>
> Appears completely correct to me. My experience with shear flow is in
> retrofits to wood beam members - which typically end up not feasible. An
> important thing to remember with shear flow is the results are in force/in
> not force per foot. This may be less of a problem in steel.
>
> This is a link for good diagrams and examples (ASD)
> [LINK:
> http://www.usc.edu/dept/architecture/mbs/struct/Arch213A/213A-lectures/16-Shear-stress.pdf]
> http://www.usc.edu/dept/architecture/mbs/struct/Arch213A/213A-lectures/16-Shear-stress.pdf
>
>
> >>> "Jeremy White" <jwhite@megr.com> 01/26/2009 2:08 PM >>>
>
> Hmm. Right there in the front, huh.
>
> My derivation is based on the fact that Q = ay
> a = the area of the member above/below the point of interest
> y = the distance to the CG of the area considered from the NA of the
> section
>
> Replacing Q in the equation with "ay" you get Vay/I. I/y = S therefore
> Va/S, right? So with LRFD/ASD 13th you are to use Z in place of S. So you
> get Va/Z. Is this completely wrong or a loop hole?
>
> - Jeremy
>
>
> Quoting Anantha Narayan <[LINK: mailto:deviationz@gmail.com]
> deviationz@gmail.com>: Look in Page 1-7 of AISC 13th Edition. It talks
> about the VQ/I shear equation albeit for W shape with cap channels
>
>
> On Mon, Jan 26, 2009 at 2:16 PM, Paul Guthrie <[LINK:
> mailto:PGuthrie@simivalley.org] PGuthrie@simivalley.org> wrote:
>
>
> Not sure, not in the index, could not locate shear flow anywhere, is
> there a specific section you know of?
> Seems more of a textbook mechanics type deal
> Paul
>
>
> Paul Guthrie, PE
> Building & Safety
> City of Simi Valley
> 805.583.6885
>
> >>> "Jeremy White" <[LINK: mailto:jwhite@megr.com] jwhite@megr.com>
> 01/26/2009 10:45 AM >>>
>
>
> Is shear flow in the 13th edition of the steel manual still VQ/I ?
>
> - Jeremy
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