> Bill-
>
> I don't have ready access to it (it stored away in my files
> somewhere) but the "ABK" report has test data on the performance of
> diagonal 1x sheathing. Maybe I can dig it up or pulse one of my
> other sources.
>
> Additionally Gerry Pardoen & I (with others) did some large (16 x 20
> or so) redwood diagonally sheathed diaphragms. I don't think I have a
> copy of the report. But maybe Gerry has access to it.
>
>
>
> cheers
> Bob
>
> On 10/2/07, *Bill Allen* <T.W.Allen@cox.net
> <mailto:T.W.Allen@cox.net>> wrote:
>
> I'm working on an existing building built in Orange County around
> 1920 (or so). I need to determine the strength and stiffness of
> the floor diaphragm.
>
>
>
> I know that the four term APA equation probably doesn't apply, but
> if not that, then what should I use instead?
>
>
>
> TIA,
>
>
>
> T. William (Bill) Allen, S.E.
>
> ALLEN DESIGNS <http://www.AllenDesigns.com>
>
> Consulting Structural Engineers
> V (949) 248-8588 • F(949) 209-2509
>
>
I think you may find some info in the Western Woods Use Book
Chuck Utzman PE
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