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RE: storage racks with partially restrained moment connections - wind frame analysis in high seismic zones

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Peter,

That is not a drift limit.  It just says the installation must accommodate
that amount of displacement.

Regards,
Harold O. Sprague


> -----Original Message-----
> From:	Peter Higgins [SMTP:76573.2107(--nospam--at)compuserve.com]
> Sent:	Monday, March 19, 2001 8:19 PM
> To:	INTERNET:seaint(--nospam--at)seaint.org
> Subject:	RE: storage racks with partially restrained moment
> connections - wind frame analysis in high seismic zones
> 
> Message text written by INTERNET:seaint(--nospam--at)seaint.org
> >The 1997 NEHRP, ASCE 7-98, and the IBC simply states that the storage
> rack
> installation shall accommodate seismic displacements, and that the assumed
> displacements are not less than 5% of the height.
> 
> Regards,
> Harold O. Sprague<
> 
> Are you sure? H/20 is one h... of a drift. I don't know if even my
> "flimsy"
> designs would satisfy that one.
> 
> Peter Higgins, SE
>