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RE: ETABS - live loads on Rigid Diaphr.

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ETABS v7 can help you with this task.  If you don't have v7, the
"traditional" approach has been to use point and line gravity loads
applied to members that are also attached to the rigid diaphragms for
lateral response.  (This is true since the "rigid diaphragm" is really
a calculation device and doesn't correspond to the actual floor
plate.)

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Michael Valley, P.E., S.E.                   E-mail: mtv(--nospam--at)skilling.com
Skilling Ward Magnusson Barkshire Inc.              Tel:(206)292-1200
1301 Fifth Ave, #3200,  Seattle  WA 98101-2699      Fax:        -1201

> -----Original Message-----
> From: Edward Arrington [mailto:Earringt(--nospam--at)ENG.CI.LA.CA.US]
> Sent: Thursday, April 13, 2000 12:10 PM
> To: seaint(--nospam--at)seaint.org
> Subject: ETABS - live loads on Rigid Diaphr.
>
>
> In modeling a structure, I used rigid diaphragms at various
> levels.  Now, I am
> sure how to apply a live load onto the diaphragm.  I am
> aware of using mass
> loads but this would not be appropriate if the load is a
> live load.  Is using
> line loads and point loads the only  way?
>
> Regards,
> edward arrington