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RE: Wood header out of plane load

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Mark:

 

You have to design the header to take the wind load.

 

My guess is you’ll need a tube section or something with some weak axis flexural capacity and

Stiffness.

 

 

 

David L. Fisher SE PE

Senior Director

 

Cape Cod Grand Cayman Holdings Ltd. - Cayman

Fisher+Partners Structural Engineers Ltd. - Cayman

372 West Ontario Chicago 60610

75 Fort Street Georgetown Grand Cayman BWI

319 A Street Boston 02210

 

 

312.573.1701

312.573.1726 facsimile

312.622.0409 mobile

 

www.ccgch.com

www.fpse.com

 

 

 

 


From: Mark L. Puccio [mailto:mpuccio(--nospam--at)mpsqrd.com]
Sent: Wednesday, May 23, 2007 4:14 PM
To: seaint(--nospam--at)seaint.org
Cc: solandt(--nospam--at)mpsqrd.com
Subject: Wood header out of plane load

 

We have a 22’ long header across a store front which supports only the dead load from the infill wall above the header to the eave – a separate beam supports the roof load.  The header frames into steel columns on either side. 

 

My question concerns addressing the wind load on the store front and transferring it back to the steel through the header.  Do most of you in practice design wood headers for biaxial bending? If so what about torsion? What is the best method of transferring the out of plane reaction into the column – some kind of Simpson tie?

 

Mark L. Puccio P.E.,S.E.