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RE: IBC Figure 1609.6.1 -- simplified low-rise wind main-frame -- end zone wind pressure @ each corner @ same time?

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Scott:

I'm new to this also but I don't think the IBC requires simultaneous
loadings at corners to the MWFRS. Apparently IBC took method 1 from ASCE 7
and modified it to replicate projected area design like we are used to in
UBC. The 2000 IBC Handbook seems to verify this conclusion. Perhaps others
can verify this??

Barry H. Welliver
barrywelliver2(--nospam--at)earthlink.net


> -----Original Message-----
> From: Haan, Scott M. [mailto:HaanSM(--nospam--at)ci.anchorage.ak.us]
> Sent: Thursday, February 28, 2002 1:07 PM
> To: Seaint list (E-mail)
> Subject: IBC Firgure 1609.6.1 -- simplified low-rise wind main-frame --
> end zone wind pressure @ each corner @ same time?
>
>
> Hello:
>
> I am new to this ASCE wind loading stuff.  IBC Figure 1609.6.1 shows wind
> hitting an end zone of a building from 45 to 90 degrees for the
> "simplified
> provisions for low rise buildings".  We had interpretted it to mean that
> both corner end zones of a square building have to have higher end zone
> pressures at the same time when designing the main frame lateral system
> [for an L-shaped building all three projected corners have the end zone
> pressures].
>
> Does each building corner need to have end zone pressures simultaneously
> when the designing a buildings main-frame lateral system with the
> "simplified low-rise provisions"?
>
> Thanks.
>
> Scott M Haan P.E.
> Plan Review Engineer
> Building Safety Division
> Development Services Department
> Municipality of Anchorage
> http://www.muni.org/building
> phone:907-343-8183
> fax:907-249-7399
> mailto:haansm(--nospam--at)ci.anchorage.ak.us
>
>
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