Article View: la.transportation
Article #371Re: Stacking freeways
From: Bill Zaumen
Date: Mon, 20 Aug 2001 06:41
Date: Mon, 20 Aug 2001 06:41
23 lines
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2134 bytes
In article <9l260p$lmk$1@slb6.atl.mindspring.net>, "Warren S." <wsturgill@mindspring.com> wrote: > Hopefully this has helped you understand some of the things we have learned > from previous collapses. Next time you see a column cased in steel you will > understand why... The other thing to keep in mind was the the bridges built in the '50s were designed with slide rules and adding machines, so they could analyze static loads only. We now have data collected during earthquakes, and computer-controlled devices that can shake a model of a structure to see what would happen (and we also have fast enough computers to analyze what how the structure would respond as well). Bill -- As an anti-spam measure, my email address is only provided in a GIF file. Please see <http://home.pacbell.net/zaumen/email.gif>. Spammers can try mailto:s34s34@aol.com mailto:sdkj34s834kj@aol.com
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: fd3ff,aa5314338c14ea63 X-Google-Attributes: gidfd3ff,public X-Google-Thread: f59f9,865b7458dc0f15ec X-Google-Attributes: gidf59f9,public X-Google-ArrivalTime: 2001-08-19 23:38:34 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!newsfeed.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!feed2.onemain.com!feed1.onemain.com!cyclone-sf.pbi.net!206.13.28.33!news.pacbell.net.POSTED!adsl-209-233-20-69.dsl.snfc21.pacbell.net!user From: nobody@nospam.pacbell.net (Bill Zaumen) Newsgroups: la.transportation,ba.transportation Subject: Re: Stacking freeways Message-ID: <nobody-1908012341220001@adsl-209-233-20-69.dsl.snfc21.pacbell.net> References: <88e6ca33.0108090052.98e157@posting.google.com> <3B72B2AA.CA9FBCA1@thegrid.net> <3B72C87B.38024F02@but.us.chickens> <88e6ca33.0108101737.4377befd@posting.google.com> <9l260p$lmk$1@slb6.atl.mindspring.net> Lines: 23 Date: Sun, 19 Aug 2001 23:41:22 -0700 NNTP-Posting-Host: 209.233.20.69 X-Complaints-To: abuse@pacbell.net X-Trace: news.pacbell.net 998289513 209.233.20.69 (Sun, 19 Aug 2001 23:38:33 PDT) NNTP-Posting-Date: Sun, 19 Aug 2001 23:38:33 PDT Organization: SBC Internet Services