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RE: "Layered" wood beams with interlayer slip

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Worst case may involve 5 slip planes, but generally 1 to 3 slips 
planes will be considered. 

Any information is appreciated.

Peter McCormack

Send reply to:  	seaint(--nospam--at)
From:           	"Rex Donahey" <rdonahey(--nospam--at)>
To:             	<seaint(--nospam--at)>
Subject:        	RE: "Layered" wood beams with interlayer slip
Date sent:      	Thu, 16 Dec 1999 09:37:48 -0600

> Peter:
> If you have unit tests providing verification of the stiffness of your
> mechanical connectors, and you have only one slip plane, classical sandwich
> beam analyses will give you the deflections and the internal stresses.  Let
> me know if this is the case, and I'll forward you some references.
> Rex Donahey
> Composite Technologies Corporation
> rdonahey(--nospam--at)
> -----Original Message-----
> From: Peter McCormack [mailto:pmac(--nospam--at)]
> Sent: Thursday, December 16, 1999 8:59 AM
> To: seaint(--nospam--at)
> Subject: "Layered" wood beams with interlayer slip
> Does anyone have good references concerning the design of
> "layered" wood beams. I need to account for the slip between the
> layers, particularly to limit deflection. I will be using mechanical
> connection, as this application doesnt lend itself to the use of
> adhesives.
> I do not have FEM software, but I do intend to develop MathCAD
> template.
> I will be conducting tests of the beam to confirm my analysis.
> Any suggestions will be appreciated.
> Peter McCormack