01-25-2008, 06:04 PM
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#23 (permalink)
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Insane
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Quote:
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Originally Posted by willravel
At what temperature would the steel used to construct the skeleton of a building become weakened to any significant degree?
http://web.archive.org/web/200308181...fire/fr006.htm
This site has a lot of good data. How hot would a fire fueled by your average office burn? Add to that the firefighters quotes saying there were only small fires and, as NIST concluded in their 2004 report, fire played almost no role in the collapse.
Are you talking about seismic kinetic energy or contact with debris? |
1.) Depends, do you know what kind of steel or materials were used to build WTC 7? That makes a lot of difference. So, fire may not have played a big role. I concede that point. Still, the undamaged portions of the building were no doubt over stressed by having to support the loads the other supports weren't able to hold up. This causes buckling and mechanical failure. If it is widespread enough, which it obviously was, the building whole building comes down upon itself. That fact does not change. Also, do you know where exactly the fires were in the building? Do you have blueprints to correlate where those fires were with were vital load-bearing beams were located? [URL="Considering most room fires burn in excess of 1000 degrees Celcius, you do the math."[/URL]
2.)Both.
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