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RE: CMU Site Wall using 2001CBC

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Yes, I would use hx = 0 for a component "attached" at grade. 

William C. Sherman, PE 
(Bill Sherman) 
CDM, Denver, CO
Phone: 303-298-1311
Fax: 303-293-8236
email: shermanwc(--nospam--at)cdm.com


> -----Original Message-----
> From: Molly Skinner [mailto:MSkinner(--nospam--at)kpff-irvine.com] 
> Sent: Friday, April 30, 2004 11:35 AM
> To: seaint(--nospam--at)seaint.org
> Subject: CMU Site Wall using 2001CBC
> 
> 
> I am designing a free-standing site wall using the Fp 
> equation of section 1632.2.  I know the value of ap=1.0 and 
> Cp=3.0 per Table 16-O, but what value of hx should be used?  
> The code states that hx is the element of component 
> attachment elevation with respect to grade, so to me, that 
> means that hx should be 0, and as a result the Fp,min 
> equation will govern.  I've read the blue book, plus looked 
> at many books, but this situation never sees to be addressed 
> for free-standing (non-building walls).  Is using hx=0 appropriate?
> 
> Molly Skinner, P.E.
> Irvine, CA  
>  
> 
> 
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