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RE: Wood Construction Holdowns at Corners

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They are "predeflected" holdowns. They use SDS1/4x3 wood screws.  See
Simpson Strong-Tie www.strongtie.com

-----Original Message-----
From: Gary Hodgson & Associates [mailto:ghodgson(--nospam--at)vaxxine.com]
Sent: Friday, May 30, 2003 12:26 PM
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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