Article View: la.transportation
Article #385Re: Stacking freeways
From: Robert Thomas Klein II
Date: Wed, 15 Aug 2001 02:41
Date: Wed, 15 Aug 2001 02:41
36 lines
2846 bytes
2846 bytes
No matter what you think of professional sports, it saved countless lives that day. -- Robert Thomas Klein II Email: robertk (at) i.am "Paul S. Highland" wrote in message news:3B7972EB.9C46C23@thegrid.net... > William Lynch wrote: > > > I (not an engineer) was under the impression that the main reasons > > for the catastrophic failures of the double decker sections were > > twofold: lack of flexibility in the joints, and lack of spiral rebar > > to contain the vertical rebar. > > True. I saw photos of the I-880 Cypress structure damage, and one of the pillars had only vertical > rebar sticking out of the broken end, no spiral rebar. > > And to think that I drove that highway at least twice a year in the late 1970s and 1980s, not to > mention the millions of others who commuted on it every day. I still remember standing in the > driveway of our residence here in AtasCal (nearly 200 miles south of the epicenter) and feeling the > ground shake; that's the only time I've ever felt a quake outside. At first I didn't think much of > it, but when I tuned into KCBS and heard about the damage, then later saw the photos of the > collapsed Cypress, my jaw just about hit the floor and my head was swimming. Thank God there > weren't any more fatalities than occurred. > > === Paul H! in AtasCal
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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: 2001-08-14 19:41:35 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!newsfeed.google.com!newsfeed.stanford.edu!paloalto-snf1.gtei.net!news.gtei.net!enews.sgi.com!newshub2.rdc1.sfba.home.com!news.home.com!news1.rdc1.sfba.home.com.POSTED!not-for-mail From: "Robert Thomas Klein II" <sfviolinist99@hotmail.com> Newsgroups: la.transportation,ba.transportation References: <88e6ca33.0108090052.98e157@posting.google.com> <3B72B2AA.CA9FBCA1@thegrid.net> <3B72C87B.38024F02@but.us.chickens> <88e6ca33.0108101737.4377befd@posting.google.com> <B799E2A0.4F10E%mmullen8014@home.com> <3B75372C.D1B811C@big.top> <8e360b53.0108130946.66e8b1@posting.google.com> <3B782BD4.9BC7FE22@big.top> <3B7972EB.9C46C23@thegrid.net> Subject: Re: Stacking freeways Lines: 38 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.00.3018.1300 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.3018.1300 Message-ID: <yjle7.2301$Wm3.1442973@news1.rdc1.sfba.home.com> Date: Wed, 15 Aug 2001 02:41:34 GMT NNTP-Posting-Host: 65.5.101.59 X-Complaints-To: abuse@home.net X-Trace: news1.rdc1.sfba.home.com 997843294 65.5.101.59 (Tue, 14 Aug 2001 19:41:34 PDT) NNTP-Posting-Date: Tue, 14 Aug 2001 19:41:34 PDT Organization: Excite@Home - The Leader in Broadband http://home.com/faster