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Fwd: Re: Free standing masonry walls[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: addseaoc(--nospam--at)euken.com
- Subject: Fwd: Re: Free standing masonry walls
- From: rlewis(--nospam--at)techteam.org (Richard Lewis)
- Date: 30 Jul 1997 14:20:58 GMT
Kirk Pysher wrote: > > Has anyone had the opportunity to review the standard free standing wall > designs available in some building departments? I recently reviewed the > design in Fountain Valley for a 4" block wall with 8" pilasters @ 12 ft o.c.. > The wall only contains horizontal steel 2-9gauge @24" o.c. and the pilasters > use 4-#4 vertical bars continuous. The maximum height of the wall is 6'. The > moment at the base of the pilaster is resisted as a "pole type foundation". > The pilaster foundation is 3' deep and 16" wide. Running some quick numbers > for seismic & wind loads it became apparent to me that the wall was not stable > based on current UBC standards. > > I am looking for some information on how the city can put out such a design if > it is not stable. Or the history of these types of designs that would explain > why it is all right. If anyone could help I would appreciate it. > > Thanks > Kirk D. Pysher > kdpysher(--nospam--at)msn.com > Years ago I reviewed some of these standard details when a contractor presented one to me. He wanted the same thing except 6'-8" or something. I couldn't get them to calc. Also, I think if you look at some of the damage in the Northridge E/Q, you will find that a LOT of these 6'-0" block fences failed. My recommendation is that you don't use these as a basis of design. Regards, Bill Allen --- Internet Message Header Follows --- Received: from server1.seaoc.org (bqe.com [18.104.22.168]) by host1.texramp.net (8.8.5/8.8.5) with SMTP id NAA09298 for <rlewis(--nospam--at)techteam.org>; Mon, 17 Feb 1997 13:43:10 -0600 (CST) Received: from darius.concentric.net by server1.seaoc.org (NTList 3.02.10) id ha003907; Mon, 17 Feb 1997 11:37:38 -0800 Received: from cliff.cris.com (cliff.cris.com [22.214.171.124]) by darius.concentric.net (8.8.5/(97/02/12 3.22)) id OAA23010; Mon, 17 Feb 1997 14:35:43 -0500 (EST) [1-800-745-2747 The Concentric Network] Errors-To: <ballense(--nospam--at)concentric.net> Received: from BAllen (61013d0003la.concentric.net [126.96.36.199]) by cliff.cris.com (8.8.5) id OAA07661; Mon, 17 Feb 1997 14:35:41 -0500 (EST) Message-ID: <3308B314.6D29(--nospam--at)concentric.net> Date: Mon, 17 Feb 1997 11:35:49 -0800 From: Bill Allen <ballense(--nospam--at)concentric.net> Reply-To: seaoc(--nospam--at)seaoc.org X-Mailer: Mozilla 3.0 (Win95; U) MIME-Version: 1.0 To: seaoc(--nospam--at)seaoc.org Subject: Re: Free standing masonry walls References: <UPMAIL05.199702170713050258(--nospam--at)msn.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Error-To: seaoc-ad(--nospam--at)seaoc.org X-Loop: seaoc(--nospam--at)seaoc.org X-Info: [SEAOC] Owner: seaoc-ad(--nospam--at)seaoc.org X-POP3-Rcpt: seaoc-ad(--nospam--at)seaoc.org X-Sender: seaoc-ad(--nospam--at)seaoc.org Precedence: list X-ListMember: rlewis(--nospam--at)techteam.org [seaoc(--nospam--at)seaoc.org] __________________________________________________ Richard Lewis, P.E. Missionary TECH Team rlewis(--nospam--at)techteam.org The service mission like-minded Christian organizations may turn to for technical assistance and know-how.
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