This should come with a "WARNING: FAULTY MATH AT WORK"
Lets see here...
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Some 185,101 tons of structural steel have been hauled away from Ground Zero.
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Ok, I've recently been to the site, all the steel has been carried away.
So that's 185,101 / 2 (per tower) = 92,550.5 tons of steel per tower.
92,550.5 / 117 = 791 tons per level
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Now each of the towers contained 96,000 (short) tons of steel. That is an average of 96,000/117 = 820 tons per floor.
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Wait what? Where'd this number come from? 29 tons per level is a lot of misplaced steel.
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Donovan Cowan was in an open elevator at the 78th floor sky-lobby (one of the impact floors of the South Tower) when the aircraft hit. He has been quoted as saying: "We went into the elevator. As soon as I hit the button, that's when there was a big boom. We both got knocked down. I remember feeling this intense heat. The doors were still open. The heat lasted for maybe 15 to 20 seconds I guess. Then it stopped."
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Yes... the fire explodes, runs low on oxygen, and then sucks in air preventing much of the spread of heat. Considering the levels struck were 93-100, it would have put him below the flame. As any High School physics person can tell you, heat rises.
And as far as your "carefully" laid out mathematical formula? Dilbert got most of it.1) If the heat is localized around the center of the buildings, that would mean that the perimeter columns were not subject to the same heat and thus the same fatigue as the center of the building. This means that when the building collapsed, one would expect to see free standing portions of perimeter columns that are buckling. This is not the case. There is no photo or video evidence that shows any of the perimeter columns standing for even a frame as the building was collapsing.
2) If the heat of this fire was able to collapse - at almost free fall speed - a steel reinforced building, how is it the same fire didn't show any effects on the aluminum on the outside of the building? I have no answer for that question.[/QUOTE]
That doesn't work like that. The structural support was that of a square of steel in the middle, and steel along the outer perimeter. If the center is heated to the point of the steel being weakened, the ENTIRE floor will drop at once because the outer steel would not be able to support the concrete slab.
Then you see the structural failure you're saying was intentional. One slab begets aother.
However with the Pentagon construction was completely different. It was not built for lightweight and cost efficiency, the windows did not consist of the majority of the walls. It was built more like a bunker in which all of the kinetic energy the plane weilds would immediately crush the lightweight aluminum plane as it pushes through the thick, reinforced concrete walls.