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Re: Tongue and groove diaphragm

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If you want to get some decent values from the T&G, put it on at 45
degree angle.

Stan Scholl, P.E.
Laguna Beach, CA

On Fri, 10 Jan 2003 10:35:33 -0800 "John D. Rose" <jrose36(--nospam--at)earthlink.net>
writes:
> Will,
>  If you are talking about T&G wood structural panel floors, then 
> refer to the
> wood section in the UBC or other applicable code, or to NER-108, for 
> diaphragm
> allowable shear values and panel span ratings, thickness, nailing 
> requirements
> for such construction.  The diaphragm design will be unblocked for 
> diaphragm
> shear values, unless 1-1/8 in. thick panels are used with staples 
> along the
> T&G edge, in which case blocked diaphragm values can be used.  There 
> would be
> no diaphragm value attributed the to the lightweight concrete floor 
> topping.
> John Rose
> APA (retired)
> Tacoma, WA
> 
> Will H wrote:
> 
> > I have 3 story buildings (60'x60'plan)which will have tongue and 
> groove
> > floors with 1.5" of lightweight concrete topping. The walls are 
> wood stud
> > with gyp board.
> >
> > I have not worked with T&G before. I am looking for advice on what 
> the
> > standard attachment is and the minimum attachment of the T&G if I 
> consider
> > my concrete to be acting separately as my diaphragm.
> >
> > thanks
> >
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