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- To: wai(--nospam--at)euken.com
- Subject: Fwd: Re: cold formed steel
- From: rlewis(--nospam--at)techteam.org (Richard Lewis)
- Date: 06 Aug 1997 14:57:46 GMT
In a message dated 97-04-14 21:39:46 EDT, you write: > >As far as shear walls using metal studs goes, all I've got is UBC report >Number 4144. I could fax you a copy. > > I have engineered steel stud houses using a variety of shear systems including this one. The pins referenced in this report did not "suck" the plywood up to the studs and somtimes bent the stud flange instead of penetrating it. I would recommend screws instead. Unfortunately they do not have ICBO approval but aisc has table values for screws. Some other comments noticed in the field were the fit at the bottom of the stud seemd poor and the psi load is high. Especially with a tile roof load or other heavy system. The bracing/blocking of the flanges needs a lot of attention. Long span floor joists have a funny feel ( vibration ) and sound, even though they calc out. If x braces are used they should be tightened after the vertical dead loads are applied. On a rectangular shape building with a comp shingle roof, field built trusses at 4' oc with hat channel the other direction at 2'oc worked very well, except at a couple interior shear walls. I would recommend being very conservative at least until after structural observation of one of your own designs. Hope that helps. Tom Harris, SE Thousand Oaks, CA --- Internet Message Header Follows --- Received: from server1.seaoc.org (bqe.com [22.214.171.124]) by host1.texramp.net (8.8.5/8.8.5) with SMTP id AAA05541 for <rlewis(--nospam--at)techteam.org>; Tue, 15 Apr 1997 00:57:21 -0500 (CDT) Received: from emout22.mx.aol.com by server1.seaoc.org (NTList 3.02.10) id ra018061; Mon, 14 Apr 1997 22:24:17 -0700 Received: (from root@localhost) by emout22.mail.aol.com (8.7.6/8.7.3/AOL-2.0.0) id BAA15850 for seaoc(--nospam--at)seaoc.org; Tue, 15 Apr 1997 01:21:21 -0400 (EDT) Date: Tue, 15 Apr 1997 01:21:21 -0400 (EDT) From: HARRISENGR(--nospam--at)aol.com Message-ID: <970414222752_-832772831(--nospam--at)emout12.mail.aol.com> To: seaoc(--nospam--at)seaoc.org Subject: Re: cold formed steel Reply-To: seaoc(--nospam--at)seaoc.org 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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