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RE: OMF in low seismic zones

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Again, let's not forget NE Arkansas, where there _are_ structures, including
the Nucor-Yamoto steel mill!

Keith Fix
Cromwell Architects Engineers

--- "Sprague, Harold O." <SpragueHO(--nospam--at)bv.com> wrote:
> Scott,
> 
> I would approach this one with caution.  The highest seismic spectral values
> in the continental US is in the New Madrid Seismic Zone in southeastern
> Missouri, the southern tip of Illinois, and the northwestern section of
> Tennessee.  
> 
> Where OMF's are permitted is defined in FEMA 302.  I am not aware of any
> testing done that would preclude bolted web connections.
> 
> Who was the presenter at this AISC seminar?
> 
> Regards,
> Harold Sprague
> 
> 
> > -----Original Message-----
> > From:	Scott E Maxwell [SMTP:smaxwell(--nospam--at)engin.umich.edu]
> > Sent:	Monday, June 19, 2000 1:26 PM
> > To:	seaint(--nospam--at)seaint.org
> > Subject:	OMF in low seismic zones
> > 
> > Greetings,
> > 
> > One of my fellow employees attended a seminar by AISC called "Lateral
> > Framing Systems East of the Rockies".  In the information from the
> > seminar, there are a couple sketches of connections for OMF that show the
> > web connection as being a welded shear tab (both to the colun and beam) w/
> > erection bolts.  This seems to imply that the web connection can no longer
> > be bolted.  Is this true?  Is the only approved (pre-tested) connection
> > detail to weld the shear tab?  Or is it permited to be bolted to the beam
> > web (using slip critical bolts)?
> > 
> > Our use here is LOW seismic.
> > 
> > Any thoughts or comments?
> > 
> > Thanks,
> > 
> > Scott
> > 
> > --------------------------------------------------------------------------
> > Scott E. Maxwell, PE, SE
> > Structural Engineer
> > 
> > HarleyEllis
> > 26913 Northwetern Hwy.
> > Suite 200
> > Southfield, MI  48034
> > 
> > Telephone: (248) 262-1505 ext. 2461                              
> > Fax:       (248) 262-1515
> > 
> > Email for Business: semaxwell(--nospam--at)harleyellis.com
> > Email for Personal: smaxwell(--nospam--at)engin.umich.edu
> > --------------------------------------------------------------------------
> > 
> 
> 


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