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UP derails coal train on bridge
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<p>[quote user="Bucyrus"]</p> <p class="MsoNormal" style="margin:0in 0in 0pt;"><span style="font-size:small;"><span style="font-family:verdana,geneva;"><span style="font-size:small;">Some have suggested [including U.P.] that the 31 derailed cars piled up on the bridge, and then the extreme weight of all those cars collapsed the bridge.<span style="mso-spacerun:yes;"> </span></span></span></span></p> <p class="MsoNormal" style="margin:0in 0in 0pt;"><span style="font-size:small;"><span style="font-family:verdana,geneva;"><span style="font-size:small;"> </span></span></span></p> <p class="MsoNormal" style="margin:0in 0in 0pt;"><span style="font-size:small;"><span style="font-family:verdana,geneva;"><span style="font-size:small;">In the scenario of 31 cars piling up on the bridge and collapsing it by their weight, I don’t see it very likely that 31 cars would pile up in compact heap on top of the standing bridge.<span style="mso-spacerun:yes;"> </span>With the bridge being up in the air, derailing cars would have tended to fall away and spread out more.<span style="mso-spacerun:yes;"> </span></span></span></span></p> <p class="MsoNormal" style="margin:0in 0in 0pt;"><span style="font-size:small;"><span style="font-family:verdana,geneva;"><span style="font-size:small;"> </span></span></span></p> <p class="MsoNormal" style="margin:0in 0in 0pt;"><span style="font-family:verdana,geneva;"><span style="font-size:small;">So my guess is that the beginning of the derailment knocked down the bridge and then the following 25-30 cars fell into the hole where they were confined, and thus could be compacted tightly together by the momentum of the following cars that did not derail. </span></span></p> <p class="MsoNormal" style="margin:0in 0in 0pt;">[/quote]</p> <p class="MsoNormal" style="margin:0in 0in 0pt;"> </p> <p class="MsoNormal" style="margin: 0in 0in 0pt;"><span style="font-family: verdana,geneva;"><span style="font-size: small;"></span></span></p> <p class="MsoNormal" style="margin: 0in 0in 0pt;"><span style="font-family: verdana,geneva;"><span style="font-size: small;">That is a quote from my post on 7/16. As it turns out, my guess was correct, and that is what did occur according to this story:</span></span></p> <p class="MsoNormal" style="margin: 0in 0in 0pt;"><span style="font-family: verdana,geneva;"><span style="font-size: small;"> </span></span></p> <p class="MsoNormal" style="margin: 0in 0in 0pt;"><span style="font-family: verdana,geneva;"><span style="font-size: small;"></span></span></p> <p class="MsoNormal" style="margin:0in 0in 0pt;"><a href="http://www.chicagotribune.com/news/local/suburbs/glenview/ct-met-derailment-version-20120718,0,2991695.story"><span style="font-family: verdana,geneva;"><span style="font-size: small;">http://www.chicagotribune.com/news/local/suburbs/glenview/ct-met-derailment-version-20120718,0,2991695.story</span></span></a></p> <p class="MsoNormal" style="margin: 0in 0in 0pt;"><span style="font-family: verdana,geneva;"><span style="font-size: small;"></span></span></p> <p class="MsoNormal" style="margin: 0in 0in 0pt;"><span style="font-family: verdana,geneva;"><span style="font-size: small;"></span></span></p> <p class="MsoNormal" style="margin: 0in 0in 0pt;"><span style="font-family: verdana,geneva;"><span style="font-size: small;"><strong>Quote from the story:</strong></span></span></p> <p class="MsoNormal" style="margin: 0in 0in 0pt;"><span style="font-family: verdana,geneva;"><span style="font-size: small;"></span></span></p> <p><span style="font-family: verdana,geneva;"><span style="font-size: small;"> <p class="MsoNormal" style="margin: 0in 0in 0pt;"><span style="color: #0000ff;">“Instead of the bridge failing and collapsing onto the Lindners' car below because of the weight of the derailed freight cars, the bridge spans were "displaced," or knocked off their foundations, when the derailed rail cars struck the bridge abutment, consultant Donald Sorgenfrei of the engineering firm Modjeski and Masters wrote in a report dated July 12.<o:p></o:p></span></p> <p class="MsoNormal" style="margin: 0in 0in 0pt;"><span style="font-family: verdana,geneva;"><span style="color: #0000ff;"> <o:p></o:p></span></span></p> <p class="MsoNormal" style="margin: 0in 0in 0pt;"><span style="font-size: 12pt; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"><span style="font-family: verdana,geneva;"><span style="color: #0000ff;">Union Pacific officials said they stand corrected and agree with the expert's evaluation.”</span></span></span></p> </span></span></p> <p class="MsoNormal" style="margin: 0in 0in 0pt;"> </p> <p class="MsoNormal" style="margin: 0in 0in 0pt;"><span style="font-family: verdana,geneva;"><span style="font-size: small;"></span></span></p> <p class="MsoNormal" style="margin: 0in 0in 0pt;"><span style="font-family: verdana,geneva;"><span style="font-size: small;"></span></span></p>
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