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Engineering Disasters: World Trade Center Collapse

Engineering Disasters: World Trade Center Collapse. Tom Rebold. Some Recent Engineering Disasters . Cosco Busan 50,000 gal oil New Orleans Levy Breach 700 deaths Minneapolis Bridge 13 deaths Mars Polar Lander $120 million Any others?.

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Engineering Disasters: World Trade Center Collapse

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  1. Engineering Disasters:World Trade Center Collapse Tom Rebold

  2. Some Recent Engineering Disasters • Cosco Busan 50,000 gal oil • New Orleans Levy Breach 700 deaths • Minneapolis Bridge 13 deaths • Mars Polar Lander $120 million • Any others?

  3. Why do we have disasters?

  4. Progress and Failure

  5. http://www.usnews.com/usnews/news/terror/slides/wtc/index.htmhttp://www.usnews.com/usnews/news/terror/slides/wtc/index.htm

  6. http://enr.construction.com/news/buildings/archives/040628-1.asphttp://enr.construction.com/news/buildings/archives/040628-1.asp

  7. NIST Report • The study has determined, based on photographs, that perimeter columns bowed inward on One WTC’s south face and Two WTC’s east face, “some” minutes prior to collapse. “Initiation of global collapse was first observed by the tilting of building sections above the impact regions” of both towers, says the report. One WTC tilted to the south and Two WTC tilted to the east and south and twisted in a counterclockwise motion.

  8. WTC Steel Truss Burn Experiment • http://wtc.nist.gov/ • http://wtc.nist.gov/media/gallery2.htm

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