9/11 Model Backs Up Tower Collapse Theory
A two-year study of the World Trade Center Towers' collapse by Purdue University has reaffirmed the findings of the National Institute of Standards and Technology, which suggested that the buildings crashed under their own weight after crucial support columns and fireproofing were damaged or destroyed. The research team released an animation of the first plane's collision to show how heat and flame eventually brought the towers down.
A two-year study of the World Trade Center Towers’ collapse by Purdue University has reaffirmed the findings of the National Institute of Standards and Technology, which suggested that the buildings crashed under their own weight after crucial support columns and fireproofing were damaged or destroyed. The research team released an animation of the first plane’s collision to show how heat and flame eventually brought the towers down.
Watch the animation:
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The two-year Purdue University study, funded in part by the National Science Foundation, was the first to use 3-D animation to provide visual context to the attacks, said Christoph Hoffmann, a professor of computer science and one of the lead researchers on the project.
“One thing it does point out … is the absolute essential nature of fireproofing steel structures,” Hoffmann told the Associated Press. “This is something that wasn’t done originally in the World Trade Center when it was built. It wasn’t code at that time.”
Mete Sozen, a professor of structural engineering and a lead investigator on the simulation, said Purdue researchers hope their work leads to better structural design and building codes to prevent similar collapses.
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