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Politics : Bush-The Mastermind behind 9/11?
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To: Orcastraiter who wrote (15106)9/7/2006 6:48:36 PM
From: TigerPaw  Read Replies (1) of 20039
 
It was together when it started...it didn't finish that way at the bottom, did it?

Yes, the buildings were together until the point in which they were smashed apart. Take WTC7 for example:
If all the supports had been severed the building would not have remained a single piece that smashed down into the ground. It would have come apart in chunks on the way down. That isn't what happened.

Take WTC1 & WTC2 for example. If all their supports had been severed the whole building would have just come apart and fallen at once. Instead it progressively collapsed from the point of impact down to the ground.

You can't even hardly find two pieces of steel connected together in that rubble.

500,000 tons smashing together and into the ground is going to break things up quite a bit. Even so there were pieces as large as 10 stories tall remaining. It think they were saved to be part of a memorial.

For a column to get over stressed it has to absorb the loading. That takes energy and time.
With lots of energy it takes very little time. The floors below were just a bit of resistance, a bit more than wind resistance but nowhere near enough resistance to stop the collapse. You can see from the debris falling faster than the collapse that it was slightly slowed by the resistance, but only slightly.

TP
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