I am no structural engineer, but I have read that the one thing modern skyscrapers cannot handle is high temperature fire.
Remember the movie Towering Inferno ?
Heat "melts" the steel, weakening it, leading to collapse.
posted on 09/11/2001 8:02:52 AM PDT
The melting steel effect is precisely what appeared to happen. The portion above the fire falls when the weakened/melted supports failed, and acted as a pile driver to cause the entire structure to collapse. Contrary to some reports, these were not partial collapses, but complete failures.
Prayers for the multitudes killed and their families.
And let us be vigilant to preserve our civil liberties in the aftermath of this nightmare.
There were further explosions at the WTC. I wouldn't be surprised if they attacked the base structures, too.
posted on 09/11/2001 8:13:35 AM PDT
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