] [Thread] [Date] [Author]

["Chris Roper" <christophermroper(--nospam--at)hotmail.com>]

Thanks.  The confusion was my not realizing the code sends you to ASCE for 
ELF.


> From: "Meyer, Albert" <AMeyer(--nospam--at)CagleyHarman.com>
> Reply-To: <seaint(--nospam--at)seaint.org>
> To: <seaint(--nospam--at)seaint.org>
> Subject: RE: 2003 IBC - Importance Factor & Base Shear
> Date: Tue, 23 Sep 2003 13:31:41 -0400
>
> Sorry.  I was looking at IBC 2000.  When looking at IBC 2003 it appears 
> that simplified procedure analysis is listed but, as an example, for design 
> by the ELF method you are referenced directly to ASCE 7 (note that the 
> reference is ASCE 7-02).  In ASCE 7-02 the equations for Cs do have the I 
> value in them (V=CsW)
>
> Albert J. Meyer, Jr., P.E.
> Senior Project Engineer
> Cagley, Harman & Associates
> Structural Engineers / Parking Consultants
> 1015 West Ninth Avenue
> King of Prussia PA 19406-1222
> ameyer(--nospam--at)cagleyharman.com
> (610) 337-3360
> (610) 337-3359 Fax
> www.cagleyharman.com
>
>
> -----Original Message-----
> From: Chris Roper [mailto:christophermroper(--nospam--at)hotmail.com]
> Sent: Tuesday, September 23, 2003 12:50 PM
> To: seaint(--nospam--at)seaint.org
> Subject: RE: 2003 IBC - Importance Factor & Base Shear
>
>
> The equations you've referenced aren't making sense to me.  Are you
> referencing 2003 IBC?  I'm talking about Ie for base shear seismic forces.
> I'm looking at Eq. 16-56 in the 2003 IBC.
>
>
>
> >From: "Meyer, Albert" <AMeyer(--nospam--at)CagleyHarman.com>
> >Reply-To: <seaint(--nospam--at)seaint.org>
> >To: <seaint(--nospam--at)seaint.org>
> >Subject: RE: 2003 IBC - Importance Factor & Base Shear
> >Date: Tue, 23 Sep 2003 12:35:39 -0400
> >
> >It is embedded in the calculation of Cs in equations 16-35 through 16-38.
> >
> >Albert J. Meyer, Jr., P.E.
> >Cagley, Harman & Associates
> >
> >-----Original Message-----
> >From: Chris Roper [mailto:christophermroper(--nospam--at)hotmail.com]
> >Sent: Tuesday, September 23, 2003 11:58 AM
> >To: seaint(--nospam--at)seaint.org
> >Subject: 2003 IBC - Importance Factor & Base Shear
> >
> >
> >Am I missing something or is the importance factor (Ie) not used in the
> >calculation of base shear forces?  Ie shows up in equations to calculate
> >Fp,
> >but doesn't seem to be taken into account in the calculation of V.  Any
> >input is appreciated.
> >
> >Chris
> >
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