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3/4" sheathed shear wall values

3/4" sheathed shear wall values

3/4" sheathed shear wall values

(OP)
Is anyone ware of a table that provides values for 3/4" (23/32) Structural I shear walls (or for horizontal diaphragms for that matter)? I have scoured the IBC and NDS and these values do not seem to exist in print. I am trying to save time and avoid performing these calcs by hand.

RE: 3/4" sheathed shear wall values

I asked this question to APA back in 2002 reqarding using 1-1/8" plywood as a diaphragm, and the response I received was that when the thickness of the panel is greater than 19/32" then the controlling factor is the fastener and no additional shear value is obtained by going with a thicker panel.  At that time it was recommended using the values of the 19/32" inch panels.

Keep in mind that the tables are based on a minimum nail penetration into the main member, so you may need to spec a longer nail if the minimum is not met.

RE: 3/4" sheathed shear wall values

Agree -

But you may be able to double the value by sheathing both sides...see IBC 2006 2305.3.9  Not as bad as you think.  Just use the right window and door frames - and anything else dependent on wall thickness.

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