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RE: Seismic design of block fences[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: "'seaint(--nospam--at)seaint.org'" <seaint(--nospam--at)seaint.org>
- Subject: RE: Seismic design of block fences
- From: Harold Sprague <harold.sprague(--nospam--at)neenan.com>
- Date: Fri, 20 Aug 1999 08:54:48 -0600
Bruce, Yes. I would default to the minimum in UBC 32-3. Block fences have not been studied to the extent that they need for proper inclusion in the Code. With "sound walls" along miles and miles of roads currently being constructed, it is an issue that needs some attention. This item is part of my responsibility as Chair of the BSSC TS 13, and I will be adding it to the items that need proper study for inclusion in the NEHRP Provisions and ultimately the IBC. I appreciate your pointing out the issue. Regards, Harold Sprague The Neenan Company -----Original Message----- From: Parkerres(--nospam--at)aol.com [mailto:Parkerres(--nospam--at)aol.com] Sent: Thursday, August 19, 1999 5:42 PM To: seaint(--nospam--at)seaint.org Subject: Re: Seismic design of block fences In a message dated 8/19/99 10:00:42 AM Pacific Daylight Time, harold.sprague(--nospam--at)neenan.com writes: << And as you pointed out, the 1997 value is in fact less than the 1994 value. Fworking = .14W (1997 UBC) F = .20W (1994 UBC) Leaving in the 2/3 factor in the 1997 UBC would have been unconservative. >> Harold - Thanks for the input. For further clarification, should I be using eq 32-3 where Fwrkg = .29W as a minimum instead of .14W? Bruce Resnick, SE Parker Resnick Str. Eng.
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