Wednesday, December 7, 2011

Re: Interior wood shear wall lateral bracing

It sounds like the shear transfer from the truss to the shear wall is the only mechanism holding the wall upright.  Should that fail, there are no belts and suspenders to keep the wall from falling over.  Even if the loading is low, in this case, just bite the bullet and add blocking at 4'-0" max.  Just remember that a lot can happen between plan approval and construction, like the framer using 8d shorts at the L50 clips through a 3/8" ply shim because he built the wall too short.  Nail pullout = wall falldown.

On Wed, Dec 7, 2011 at 11:21 AM, Jeff Hedman <> wrote:

I guess my point is, if sheetrock/purlins are sufficient bracing for the trusses, why is it not an acceptable bracing for a shear wall?  Especially in this case where both the in plane lateral loads and out of plane loads are so low.


Jeff Hedman , S.E.

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L.R. Pope Engineering, Inc.

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David Topete, SE