Wednesday, August 6, 2008

Re: plywood diaphragm to light gage

There are wood panel sheathed, cold-formed steel framed, screw attached
diaphragm shear values in the 2004 AISI Lateral Design standard (AISI-Lateral)
referenced in Section 2210 of the 2006 IBC. See www.cfsei.org for cold-formed
steel publications and technical notes (one is on pins). Also, there are
manufacturers that offer pins to attached wood sheathing to CFS framing and have code reports (www.icc-es.org).

________________________________________
From: Joseph R. Grill [jrgrill@cableone.net]
Sent: Thursday, July 31, 2008 11:22 AM
To: seaint@seaint.org
Subject: plywood diaphragm to light gage

Several years ago I believe I ask a question of the list to see if there was any
diaphragm values for plywood screwed to light gage supports. If I remember
correctly, someone posted some ICBO testing (maybe ICC is newer) that contained
diaphragm values. It may have been shot pins, I just don't remember. I have
searched through my library, but since my office has moved a couple of times
since then I can't find that information (if it existed in the first place). If
anyone out there has that information, I would appreciate a copy or a link to
the information. I have a client that is considering a roof system that would
require this, if possible.

Thanks,
Joe Grill

Joseph R. Grill, PE
Verde Valley Engineering, PLLC
2220 Sky Drive
Clarkdale, AZ 86324
Ph. (928) 600-5459
Fax (928) 649-3659


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