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In reply to the discussion: Luxury skyscraper hotel completely engulfed by fire in Grozny, Chechnya (VIDEO, PHOTOS) [View all]hack89
(39,181 posts)the jet fuel burned off within 10 minutes. The black smoke was from the contents of the building - care to guess what color smoke you get when you burn plastic and other synthetic materials? That smoke plume was huge - it lifted tons of particulate matter miles into the atmosphere. The energy to do that is enormous. That fire was huge and hot.
As for the collapse - think about how much the tower weighed about the impact zone. And then consider that the falling weight grew as the collapse progresses. The columns were not design to support such forces - they were overwhelmed in an instant.
Go study the difference between static and dynamic forces - you will find your answer there.
Thanks for the flashback - it has been ages since decent Truther thread.