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RE: Diaphragm Design Per 1633.2.9 Using ASD

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See UBC 1612.3.1 and 1612.3.2 for the two ASD load combo options.

Mark E. Deardorff, SE
Deardorff & Deardorff, Inc.
Ramona, CA 92065

> -----Original Message-----
> From: Edward Arrington [mailto:Earringt(--nospam--at)ENG.CI.LA.CA.US]
> Sent: Wednesday, January 19, 2000 2:45 PM
> To: seaint(--nospam--at)
> Subject: Diaphragm Design Per 1633.2.9 Using ASD
> I know that ultimately I need to reduce Fpx by 1.4 to design 
> for ASD, but which
> section in the code will allow me to do this directly?
> Assuming I would conclude that Equ. 30-1 does apply and so 
> Fpx does equal Eh,
> and E=(1.0 to 1.5)*Eh=Fpx, do I then set LL and SL to zero in the load
> combinations of 1612.3?  What about "D", do I just set it to 
> zero to because it
> does not apply? Does the code specifically allows me to do this?
> Regards,
> ed arrington