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- From: rlewis(--nospam--at)techteam.org (Richard Lewis)
- Date: 30 Jul 1997 14:32:14 GMT
Ron E. Campos wrote: > > I would like some feedback for the following: > When designing soldier piles with tiebacks, how should torsion be addressed ? > Through conversations with other Engineer's, most ignore torsion, or eliminate the problem be installing horizontal wales or straps to the adjacent soldier piles. > I know how to combine torsion stresses and shears (due to tieback load x eccentricity) with normal bending stresses and shears (due to soil loading), I just don't know how to accurately model the torsion. Is it just a local load that transfers directly through the stiffener plates and into the soil in bearing with no torsion about the shear center of the soldier pile ? > Or does soil friction along the back side of the lean mix (slurry) resist the torsion ? > I know that on many occasions (but not all), during proof loading of the tiebacks, twisting never even occurs or is very small. So what's resisting the torsion ? > > Ron E. Campos, S.E. > I was told once as a junior engineer, that the wood lagging was responsible for satisfying my curiousity about torsion on soldier piles. Barry H. Welliver wellive(--nospam--at)ibm.net --- Internet Message Header Follows --- Received: from server1.seaoc.org (bqe.com [126.96.36.199]) by host1.texramp.net (8.8.5/8.8.5) with SMTP id IAA11058 for <rlewis(--nospam--at)techteam.org>; Thu, 27 Feb 1997 08:18:16 -0600 (CST) Received: from out2.ibm.net by server1.seaoc.org (NTList 3.02.10) id fa004633; Thu, 27 Feb 1997 06:12:13 -0800 Received: (from uucp@localhost) by out2.ibm.net (8.6.9/8.6.9) id OAA66249 for <seaoc(--nospam--at)seaoc.org>; Thu, 27 Feb 1997 14:10:17 GMT Received: from slip129-37-226-66.ut.us.ibm.net(188.8.131.52) by out2.ibm.net via smap (V1.3mjr) id smaqLIDM2; Thu Feb 27 14:10:08 1997 Message-ID: <331579FF.7552(--nospam--at)ibm.net> Date: Thu, 27 Feb 1997 07:11:44 -0500 From: "Barry H. Welliver" <wellive(--nospam--at)ibm.net> Reply-To: seaoc(--nospam--at)seaoc.org X-Mailer: Mozilla 2.02E (OS/2; I) MIME-Version: 1.0 To: seaoc(--nospam--at)seaoc.org Subject: Re: References: <01BC2400.75917C40(--nospam--at)rcampo.dwp.ci.la.ca.us> 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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