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RE: Wood Construction Holdowns at Corners

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Gary,

PHD's are Simpson Strong-Tie's "Predeflected Holdowns" (hence PHD). 

see http://www.strongtie.com/products/connectors_list/PHD.html


Mark Geoghegan
Honolulu, HAWAII

             > -----Original Message-----
             > From: Gary Hodgson & Associates [mailto:ghodgson(--nospam--at)vaxxine.com]
             > Sent: Friday, May 30, 2003 10:26 AM
             > To: seaint(--nospam--at)seaint.org
             > Subject: Re: Wood Construction Holdowns at Corners
             > 
             > 
             > Joe,
             > I wonder if you can tell us what is a PHD holddown.
             > Gary Hodgson
             > 
             > On 30 May 2003 at 13:19, Jnapd(--nospam--at)aol.com wrote:
             > 
             > > Chris:
             > > 
             > > It may seem silly to apply loads from two directions to the post until
             > > you see actual damage first hand as in Northrdge Earthquake.  The most
             > > common post failure was at corner post. The usually pulled through the
             > > wood at the holdown connection.  If the bolt holes were oversized the
             > > damage was more severe.  That is one reason our company uses PHD
             > > holdowns when possible.
             > > 
             > > Joe Venuti
             > > Johnson & Nielsen Associates
             > > Palm Springs,  CA
             > > 
             > > 
             > 
             > 
             > 
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