oh, boy. Yup. 100%!
(media.greatawakening.win)
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Christ this argument really will never die...
https://youtu.be/FzF1KySHmUA
You don't have to melt steel to weaken it...
Weakening the steel at the top of the tower doesn't make the tower collapse in on its footprint at freefall speed. Oh, and tower 7.
No. But once the steel in the main beams on one floor reach 500C or so (60% strength at STP), they collapse, given the design didn't have anywhere close to a 40% safety margin.
At that point, the weight of all of the above floors crashes down onto the next floor. And they fold one after the other.
Outside chance it could have survived, built to design. Given the changes in its construction against the design, and with a full load of jet fuel, it was doomed it was doomed when the wings/fuel were sheared off and stayed in the structure.
try to catch your maximum deadlift at freefall speed. now catch twice that, now three times that. (seriously, though, dont) the plane hit roughly (my best guess from memory) two thirds of the way up the building. once one floor collapsed, the weight of that floor plus all of those above it landed on the floor below, so now, not only did it have to support all that weight, but it had to absorb the energy of gravity pulling those floors down. Assuming those floors directly below the crash were also weakened by the crash and the explosion above, it's not unreasonable that the floors, already under stress simple gave out, causing a cascade failure all the way down the line. once the collapse was in motion, it wasn't slowing down anytime soon.
dude, there had just been two explosions and two buildings weighing nearly a billion tons just collapsed on the edge of the complex. that kinda force hitting the ground would have been like an earthquake. Forgetting the fire in the seventies and the bombing in the nineties, it's a wonder other buildings didn't collapse.
Building 7's collapse was announced 20 minutes early on BBC as it was still standing in the background, after which it too pulverized neatly into its footprint which only happens in controlled demolitions. Buildings don't just disintegrate, it takes a lot of explosives, planning and work to get it right.
Oh, and where was Bush while it happened? On TV in a Sarasota classroom, watching children spell out words like PLANE, MUST, HIT, STEEL. The cabal likes to rub their schemes in our faces.
https://www.engineeringtoolbox.com/metal-temperature-strength-d_1353.html
800-1500C for burning jet fuel, depending on available oxygen.
steel melts (liquid phase change) at ~1400C.
you're at 60% strength at 500C.
collapse was inevitable given the construction. there's a (slim) chance it may have survived if it had been built to design.....but the specified asbestos cladding on the main girders was deleted (it was at 'that' time in the movement to remove asbestos), without any other compensating changes in the design.
hearsay on whether the asbestos would have had a material outcome.
it'd be sickening to see this still being argued 20yrs later.
most people aren't willfully ignorant, though. they're just not engineers.
agreed, and admittedly, the guy in the video is a bit salty, but the video's useful for making the point; you don't have to melt a metal to severely weaken it...