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RE: Shear wall minimum size

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Refugio,

I don't know if you are in California, but per CBC 1914.5.3, minimum
thickness "of bearing walls shall not be less than 1/25 the supported
height or length, whichever is shorter, or not less than 4 inches."
After that, you get into definitions of a "shear wall", "wall pier" or a
"column", which you can find in CBC section 1921.  Hope that helps.

Doug Mayer, S.E.
Structural Engineer
teter a+e, LLP
Architects & Engineers
p: 559.437.0887
f:  559.438.7554
e: dougm(--nospam--at)teterae.com
w: www.teterae.com
-----Original Message-----
From: refugio rochin [mailto:fugeeo(--nospam--at)gmail.com] 
Sent: Monday, July 31, 2006 12:15 PM
To: seaint(--nospam--at)seaint.org
Subject: Re: Shear wall minimum size

I forgot to mention seismic zone 4.
Refugio

On 7/31/06, Polhemus, Bill <BPolhemus(--nospam--at)wje.com> wrote:
>
>
>
>
> -----Original Message-----
>  From: Ashraf, Mohammed (Qatar)
> [mailto:mohammed.ashraf(--nospam--at)worleyparsons.com]
>  Sent: Monday, July 31, 2006 9:07 AM
>  To: seaint(--nospam--at)seaint.org
>  Subject: RE: Shear wall minimum size
>
>
>
>
>
>
> Dear Refugio:
>
> I think minimum is 150mm. This is from an Indian book.  But that
Author
>
> refers to "Notes on ACI 318 (1989) with Design Applications, PCA,
>
> Illinios, 1990. I don't have PCA notes.
>
> Regards
>
> Ashraf
>
>
>
>
> -----/Original Message/-----
>
>
>
> That sounds like the "minimum thickness of a wall" in general, defined
in
> ACI 318 14.5. Actually, if you design the wall as a "compression
member"
> under ACI 318, there are no limits.
>
>

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