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RE: Need "Flitch-plate" design example

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That IS how it gets there!

> ----------
> From: 	Bill Allen, S.E.[SMTP:billallen(--nospam--at)earthlink.net]
> Reply To: 	seaoc(--nospam--at)seaoc.org
> Sent: 	Thursday, May 14, 1998 4:29 PM
> To: 	seaoc(--nospam--at)seaoc.org
> Subject: 	RE: Need "Flitch-plate" design example
> 
> Dumb question time...
> So, if the load doesn't transfer to the steel plates via VQ/I action,
> how
> does it get there?
> 
> Regards,
> Bill Allen
> 
> -----Original Message-----
> From: Ed Marshall [mailto:elmarshall(--nospam--at)HASimons.com]
> Sent: Thursday, May 14, 1998 3:46 PM
> To: 'seaoc(--nospam--at)seaoc.org'
> Subject: RE: Need "Flitch-plate" design example
> 
> 
> Sounds like we may be thinking of different things.  The flitch plate
> beams I'm thinking of are assemblies with a vertical steel plate
> sandwiched between doubled-up joists.  It is not a composite design in
> that there is no horizontal shear transfer.   The typical application
> is
> a location where beam depth is restricted.  A pair of 2x10's with a
> 1/4"x 9 1/4" plate assembled together makes a 3.25' wide beam, but has
> roughly the stiffness of an 8x10 timber.
> 
> Regards,
> Ed Marshall
> 
> > -----Original Message-----
> > From:	Bill Allen, S.E. [SMTP:billallen(--nospam--at)earthlink.net]
> > Sent:	Thursday, May 14, 1998 6:07 PM
> > To:	seaoc(--nospam--at)seaoc.org
> > Subject:	RE: Need "Flitch-plate" design example
> >
> > I guess where I am "extrapolating" information is with regards to
> GLB
> > strengthening. Years ago, I occasionally reinforced overstressed
> GLBs
> > using
> > this method. I then ran into a GLB expert (one who has 40+ years
> > experience
> > and now spends a lot of time in court as an expert witness) who said
> > this is
> > a bad idea and will not perform over the long haul.
> >
> > With regards to residential construction, collar ties seem to
> perform
> > well
> > too, but they won't "calc out" based on some of the modeling I have
> > done
> > (due to horizontal deflection).
> >
> > My previous post was my $0.02 and was merely cautionary. My friend
> > Dennis
> > Wish can do whatever he desires.
> >
> > Regards,
> > Bill Allen
> >
> >
> 
> 
> 
> 
> 
>