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RE: IBC v IRC[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: <seaint(--nospam--at)seaint.org>
- Subject: RE: IBC v IRC
- From: "Jason Christensen" <jason(--nospam--at)wcaeng.com>
- Date: Fri, 19 Dec 2008 12:05:37 -0700
Sds = 0.76, less than the 0.83 for the D2 in the IRC, but I am hoping that our design should be ok anyway, I’ll check the R602 sections.
WCA Structural Engineering, Inc.
What is your Sds?
I’m not sure if there is a whole lot of difference. IRC SDC D2 is just a subset of IBC SDC D. I think most of the seismic detailing requirements in the IRC apply to all three sub-divisions of SDC D (D0, D1, & D2). And at this point I think the NEHRP provisions have been pretty extensively implemented throughout the IRC, so an IBC D and an IRC D2 should essentially be the same design. There may be a few wall bracing provisions specific to D2 in R602.10 and R602.11, though I would think they shouldn’t apply if you engineered the shear walls.
the 2009 International Builders' Show
Does anyone know the differences between the IRC SDC D2 and the IBC SDC D. We have design a small subdivision using the IBC SDC D, but the building official wants it per IRC SDC D2. I am just if they would be equal or similar.
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