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RE: Wood testing

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Be aware that the properties may vary substantially depending on where the sample was taken. Typically the outer laminations are much higher quality and the tension laminations may differ from the compression laminations in an unbalanced lay-up. Also, the allowable stresses depend on things such as slope of grain and size/location/condition of knots that may not be reflected in the sample.
Bill Cain, S.E.
Berkeley, CA

From: spraguehope(--nospam--at)
To: seaint(--nospam--at)
Subject: RE: Wood testing
Date: Fri, 26 Dec 2008 01:17:50 +0000

It depends on what testing you are requiring.  Species determination can be determined by the National Forest Products Research Lab. 

Regards, Harold Sprague

From: SCHFUN(--nospam--at)
Date: Tue, 23 Dec 2008 12:17:09 -0500
Subject: Wood testing
To: seaint(--nospam--at)

Does anyone have any recommendations for a testing lab that could determine the strength and deformation properties of a sample of wood from a glu-lam beam?  Preferably in or near Southern California.
Steve Helfrich
30640 Kristin Court
Redlands, CA 92373
909-389-7326 (FAX)

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