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wood screw replacing nails at shear walls

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Screws in plywood shearwalls, ICBO Evaluation Report ER-5280


Williston "Bill" L. Warren, IV - S.E.
Structural Engineering SOLutions
Newport Beach, California


From: "Bob Kazanjy" <rkazanjy(--nospam--at)uci.edu>
To: <seaint(--nospam--at)seaint.org>
Subject: Re: wood screw replacing nails at shear walls


----- Original Message -----
From: Francisco Duarte <fduarte(--nospam--at)LEASUNG.COM>
To: <seaint(--nospam--at)seaint.org>
Sent: Thursday, July 13, 2000 12:20 PM
Subject: wood screw replacing nails at shear walls


> HELP, HELP, HELP
> My client wants to use screws instead of nails for the shear walls.

Why?

I would not use screws for timber framed plywood shearwalls esp if you're
looking for ductility.  A lot (if not most) of a shearwall's ductility comes
from nail yielding....I would not depend on screws behaving the same way.

> Where can I get some information and shear values for screws to replace
the
> 8d nails. Is there a ICBO REPORT?

I suggest contacting APA.  I'm sure they have info on this.

regards
Bob Kazanjy






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