rjoeholl wrote:
The only thing this guy proved is that with forced air induction, jet fuel (kerosene) can be forced to a temperature high enough to make steel soft. Hell, his regular fuel is coke. There was no air being force fed into the bldgs.; on the contrary the air was very limited. Also, the parts of the structure below the fire stayed cool because heat rises, so why did they buckle ? If you say because of all the weight being put on it, remember ALL OF THE WEIGHT WAS ALREADY ON IT.
I hope JMHO hasn't left his own topic. He needs to see that there are others here who can think logically.
Other factors to consider: the perimeter columns on the towers were designed to support 5 times the weight they actually held up. The center core columns were designed to support 3 times the weight they held up. The fires didn't descend to floors below where the planes hit because NYC fire codes require all floors to be sealed from the floors above and below. The elevator shafts are also sealed to to the floors they service to prevent fires from spreading.