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Re: Deflection limits for CMU wall

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Joe/David,
 
IBC 2003 section 2108 stops at 2108.4.  The black arrow indicating a code deletion points to the end of this section.  Where or why it went, I don't know.
 
Jim

David Topete <davetopete(--nospam--at)yahoo.com> wrote:
Joe,
Refer to IBC Sect 2108.9.4.6 Deflection Design, EQN
21-39. DELTA_s = 0.007h

Hope that helps.
David Topete, PE
SF, CA
--- Joe Grill wrote:

> I have been looking for some criteria for a lateral
> deflection limit for a
> reinforced grouted CMU wall. I have found limits
> for vertical requirements
> (recently discussed). The only lateral criteria I
> have found is in the IBC
> (at the moment looking at 2000 IBC) of L/240 for an
> exterior wall with
> brittle finishes (Table 1604.3) with a footnote f
> which says that .7 times
> the component and cladding wind loads may be used
> for calculating the
> deflection for the limits in the table. Would this
> limit be acceptable to
> some of you out there? Generally this wouldn't be a
> question for me, but I
> am looking at an existing wall that will have a new
> window cut into it. The
> jambs will need to be reinforced (looking like a
> steel member for now) and
> the lower limits will make things a little easier
> for me.
>
> Thanks,
>
> J. Grill
>
>
>
> Joseph R. Grill, P.E. (Structural)
>
> Shephard - Wesnitzer, Inc.
>
> Civil Engineering and Surveying
>
> 1146 W. Hwy 89A Suite B
>
> Sedona, AZ 86340
>
> PHONE (928) 282-1061
>
> FAX (928) 282-2058
>
> jgrill(--nospam--at)swiaz.com
>
>
>
>
>
>
>
>




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