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RE: IBC 2000

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Mike, I think that you are primarily asking why "Zone 2" is specified if IBC 2000 is being used. The answer is that "Zone 2" has no meaning in IBC 2000 - this appears to be an erroneous mix of UBC Zones with the IBC code. 


> -----Original Message-----
> From: Scott Maxwell [mailto:smaxwell(--nospam--at)engin.umich.edu] 
> Sent: Friday, March 18, 2005 4:07 PM
> To: seaint(--nospam--at)seaint.org
> Subject: Re: IBC 2000
> 
> Michael,
> 
> To further elaborate on James Lutz's response, the IBC uses 
> ground acceleration maps.  The values from those maps along 
> with the importance of the building and the soil conditions 
> of the site lead to a Seismic Design Category (SDC).  The SDC 
> is used much like zones in the UBC in that it dictates 
> detailing requirements for your seismic resistance system.
> For the actual determination of the seismic force (from the 
> equivalent lateral force method), then it is the value from 
> the maps much like the zone in the UBC leads to a "zone" 
> value for the equivalent lateral force equations.
> 
> HTH,
> 
> Scott
> Adrian, MI
> 
> On Fri, 18 Mar 2005, Michael Laplante wrote:
> 
> > Forgive me, but I reside and work in the Northern Part of 
> North America.  I have a design guideline for a project and 
> there are specifying the use of IBC2000, Zone 2.   Does 
> IBC2000 refer to seismic Zones in the code, or does the code 
> make reference to seismic ground acceleration maps.        
> Any comments greatly appreciated.
> >
> > Regards
> > Mike
> >
> > Michael Laplante
> > LAVAL
> > 3400, boul. du Souvenir, bureau 600
> > Laval QC H7V 3Z2
> > CANADA
> >
> > Tél.(514) 337-2462 poste #2196
> > Fax (450) 682-1013

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