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Re: [SEAOC] Flexibility of metal deck[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaoc(--nospam--at)seaoc.org
- Subject: Re: [SEAOC] Flexibility of metal deck
- From: MDear885(--nospam--at)aol.com
- Date: Sat, 24 Feb 1996 04:54:53 -0500
In a message dated 96-02-23 17:57:55 EST, you write: >Do YOU consider ALL metal decks to be "flexible", regardless of weld pattern, >number of spans, diaphragm configuration, bracing location, etc.? No. It depends upon many factors including whether or not the building has any built in eccentricities. If we have a symmetrical rectangular tiltup with a metal deck, we usually don't make the distinction. If it is a small diaphragm or particularly subject to rotation problems we check it as *both* and use the worst features of each model. It is pretty impractical to analyze it with a reasonable approximation of the true rigidity. In situations where rotation isn't an issue (aside from the 5% accidental torsion) but where the diaphragm is continuous past supports we also figure it both ways unless it is highly flexible. This usually yields higher loads to the interior shear wall. ...
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