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# RE: ASCE wind wisdom sought

• To: seaint(--nospam--at)seaint.org
• Subject: RE: ASCE wind wisdom sought
• From: David Topete <davetopete(--nospam--at)yahoo.com>
• Date: Fri, 17 Dec 2004 09:04:54 -0800 (PST)
• Comment: DomainKeys? See http://antispam.yahoo.com/domainkeys

```Bill and Eli,
Thanks for the replies...  Very helpful, unlike the
ASCE.  Go figure...  A building code that confuses
more than clarifies...
Thanks again.
David

--- "Sherman, William" <ShermanWC(--nospam--at)cdm.com> wrote:

> I agree with Eli. Equations are often given, in
> so that they can be inserted into spreadsheets, etc.
> The term "K1
> multiplier" does seem a bit confusing - I believe
> that it means the
> value of K1 is being tabulated, where K1 is one of
> three multipliers to
> get Kzt (not that K1 is to be further multiplied by
> the coefficient in
> the table). You can confirm this by calculating K1 =
> 1.45*0.20 = 0.29 to
> derive the first tabulated value from the equations.
>
>
> 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: Eli Grassley [mailto:elig(--nospam--at)psm-engineers.com]
>
> > Sent: Thursday, December 16, 2004 4:20 PM
> > To: seaint(--nospam--at)seaint.org
> > Subject: RE: ASCE wind wisdom sought
> >
> > David -
> > I believe that the table of "multipliers" is just
> a
> > tabulation of common values that are compiled from
> using the
> > equations.  The equations are shown just in case
> > conditions vary from those listed in the table.
> Kind of like
> > how the NDS gives both equations and tables for
> bolted
> > connection values.  Hopefully someone else can
> verify this too.
> >
> > Eli Grassley
> > PSM Engineers
> > Seattle, WA
> >
> > -----Original Message-----
> > From: David Topete [mailto:davetopete(--nospam--at)yahoo.com]
> > Sent: Thursday, December 16, 2004 3:02 PM
> > To: SEAINT List
> > Subject: ASCE wind wisdom sought
> >
> > I'm confused about the K_1, K_2, and K_3 factors
> for
> > determining the topographic factor, K_zt, per ASCE
> 7-98,
> > Figure 6-2.  Eqns are given on the second page of
> the Fig.,
> > but the first page of the Fig. has
> "multipliers"???  Which to
> > determine and which to use?
> >  HELP!
> > TIA
> > David Topete, PE
> > SF, CA
> >
> >
> >
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