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Old 09-17-2001, 02:53 PM   #24
russotto
Professor
 
Join Date: Jan 2001
Posts: 1,788
Quote:
Originally posted by tw

According to our 16 year old engineer, a falling WTC floor should have kept falling until it got to China.

Or until it hit something able to support that kind of weight. Such as the Earth, specifically the land known as Manhattan Island. Or the rubble of the floors below it.

Quote:

Hubris Boy cites bodies floating in free space whereas floors on the WTC were subject to boundary value conditions.
Which boundaries they hit.

Quote:
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In many earthquakes where a floor has pancaked, the rest of a building remains intact. In Philadelphia, structural members were subject to equivalent temperatures without any collapse.
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ONE floor didn't pancake. Several stories did. You do understand that if the structure in the MIDDLE fails, the floor just below that is subject to the impact of not just the single floor above it, but to the impact of the entire building above that point, right?

Further, the structure in Philadelphia (1 Meridian Place) was NOT subject to equivalent temperatures.
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