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Re: Omega for Wood Shearwall Hold-Downs

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Gerard,

You are correct, and the SDM is wrong.  Be careful with the SDM examples as
this is not the only incorrect application of the code contained in the
examples.

Paul Feather
----- Original Message -----
From: "Gerard Madden" <gmadden(--nospam--at)duquette-eng.com>
To: "SEAINT LISTSERVER (E-mail)" <seaint(--nospam--at)seaint.org>
Sent: Wednesday, January 30, 2002 12:56 PM
Subject: Omega for Wood Shearwall Hold-Downs


> Seismic Design Manual Vol. II, in its example on page 74 shows that the
> Hold-Down is designed for Omega Level force when it is a discontinuous
> shearwall in an upper floor.
>
> My interpretation of the code language (UBC 1630.8.2.1) is that only the
> Beam supporting the shearwall above needs to be designed for the
compressive
> and tension forces at the shearwall ends using Omega level forces.
>
> Anyone want to clarify this for me?
>
> Thanks,
> -gerard
>
> Gerard Madden, PE
> Design Group Manager
>
> Duquette Engineering
> 10 South Third Street
> San Jose, CA 95113
> T: 408.494.0944 - ext 102
> F: 408.494.0940
> E: gmadden(--nospam--at)duquette-eng.com
> w: www.duquette-eng.com
>
>
>
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