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RE: Perforated Shear Wall Opening Design

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As far as detailing is concerned, you need a strap at the header and sill plate, usually a coil strap works best, with howiz. blocking between the jamb studs to develop the strap nailing capacity. The SEAOC seismic design manual VOL II has an example.




-----Original Message-----
From: Rich Lewis [mailto:seaint03(--nospam--at)]
Sent: Tuesday, January 31, 2006 12:46 PM
To: seaint(--nospam--at)
Subject: Perforated Shear Wall Opening Design


IBC 2305.3.7.1 states “Where shear walls with openings are designed for force transfer around the openings, the limitations of  . . . “


I have not been able to find a source on designing the openings for force transfer.  I’ve looked on APA web site, NDS publications and my Breyer’s text to no avail.  Can anyone give some references or interpret what detailing is needed for “designing for force transfer around openings”?