"Morgans" wrote in
:


"sfb" wrote in message
news:Kc8mf.27746$SY.17277@trnddc06...
Did the structural steel actually melt or deform under the loads?

The steel did not melt, but rather lost strength due to the heat. The
fireproofing was not rated for the length of time the burning fuel
caused, nor that high of temperatures. I am also skeptical about the
paper claim. I am sure it contributed, but there was one hell of a lot
of fuel, contained in a relatively small area, burning very hot.

Not to mention the force of the impact likely blew what fireproofing
there was right off the structure.

Brian
--
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