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RE: Flexible Cantilevered Diaphragm?

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Since the Codes put limits on using wood diaphragms as cantilevers, it would be logical that there should be some limit when using steel deck diaphragms in the same way.

Will H. 

 


From: "Polhemus, Bill" <BPolhemus(--nospam--at)wje.com>
Reply-To: <seaint(--nospam--at)seaint.org>
To: <seaint(--nospam--at)seaint.org>
Subject: RE: Flexible Cantilevered Diaphragm?
Date: Mon, 9 Jan 2006 08:34:56 -0600

This is the way all the Wal-Mart boxes were designed (back about ten years ago, at any rate). Steel deck, definitely a flexible diaphragm.

 


From: Will Haynes [mailto:gtg740p(--nospam--at)hotmail.com]
Sent: Sunday, January 08, 2006 8:04 PM
To: seaint(--nospam--at)seaint.org
Subject: Flexible Cantilevered Diaphragm?

 

Can a flexible roof diaphragm be horizontally cantilevered?  For instance a typical steel roof deck on a box building with an expansion joint in the middle of the roof and shear walls on the other 3 sides of each half? 

 

I know I have seen this done before, but I don't think it complies with the definition of what a flexible diaphragm is and therefore what it can do.

 

 

 

Will Haynes



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