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Re: knife plate in glulams

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There is a calculator on the AWC wesite...www.awc.org.  I agree it should 
double shear with the steel plate as the main member and roughly half the 
glulam as each of the secondary members.  I deal with this type of 
situation all the time.

Regards,

Scott
Adrian, MI

...... Original Message .......
On Mon, 21 Jul 2008 11:30:29 -0800 "Drew Morris" <dmorris(--nospam--at)bbfm.com> wrote:
>Jason Christensen wrote:
>> What are the thicknesses of the bolt and glulam and I can run our
>> mathcad sheet, we can then compare.
>>
>> Jason
>>
>>
>>
>>
>>   
>One glulam is 6 3/4" wide and the other is 5 1/8" wide.  I am using DFL 
>glulams with 1/4" knife plates and 3/4" diameter bolts.
>I get the following values (Cd=1):
>
>
>5 1/8"   parallel   3480#
>            perp       1670#
>
>
>6 3/4"    parallel   4080#
>             perp    1800#
>
>All these values are higher than using twice the values  in the NDS (PL1 
>/4" with 2 1/2" and 3" side members).
>
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