Perhaps the NDS shear values for wood-frame, diagonal
lumber diaphragms can help.
Irv
--- Bill Allen <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
>
>
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