~ there was an explosion right before collapse ~ (it just sounds like a collapse starting?)
~ how could a person be forced out of a window and how was only one window involved? ~ (because it was the only window broken down there? The ejection was probably caused by an internal change. That also might not be a person.)
also, hundreds of eyewitness accounts and videos show demolition charges (nice and white for thermate) blowing out windows below the main debris cloud on ALL THREE BUILDINGS.
Show me.
also, explain to me how no modern steel skyscraper has ever succumbed to fire (including days on fire with no fire dept) yet when this building (due to a couple fires and a lack of sprinkler systems) did a perfect collapse into it's own footprint at freefall speeds, why did no engineering group in the world update the steel skyscrapers to not allow this to happen again?
It did not collapse in such fashion. This is how it collapsed. It took about 15 seconds. The building had a giant gash due to the collapse of the north tower. Also, it's OK for one event to be the exception to a "rule".
do you not know how WTC 1 and 2 were built? each floor has 43 interconnected steel beams in the center (where all the elevators are). that's a huge dick going straight up. then, there are perpendicular concrete floors put out from the center, which all the people stood on! you could literally destroy every single floor, but if the core columns remained, the center of the building would stand.
The building had a very 'unbalanced' supporting structure. There was massive support concentrated in the middle, and a decent part of support on the outside. Without the outside, the middle could not stand. That the tower fell onto itself is the problem, whereas the tower may not have collapsed if someone "flicked" everything above the damaged sections off to the side.
first source is based of NIST, which is a bunch of lies and has been debunked
Well I don't know what you want then. All I know is that the fireproofing was not in great condition and, as I read, was exaggerated by the use of a different material.
Did the fireproofing not fail? Did the floor trusses not fail?
really, you can show me a video of how building 7 collapsed (a perfect freefall into own footprint, only accomplished by demo, not by random fires) but you can't find a video of the other two towers coming down and look at it?
I was specifically addressing the claim of WTC 7 "collapsing at free fall speeds" which is a misrepresentation of what happened. One of the building's major support beams caved, which caused the inside to collapse. The exterior walls collapsed seconds later. You can see the internal collapse in the video.
are you talking about 1 and 2? you must not know anything about structural engineering.
Well from what I'm reading the exterior columns were very important parts of holding the structure.
Remember, in terms of a hypothetical partial collapse, we're not talking about the core just standing tall on its own; we're talking about the core, without support of the external columns, supporting the full, typical weight of the building above.
i'm sorry, "freefall speeds" is an accurate description
In the best case, you have a hollow building collapsing at "freefall speeds" which isn't that impressive.
no the exterior facade was not supporting the central columns in terms of load bearing. that's counter-intuitive.
When I mention that I'm talking about the towers, I don't know if you misunderstood me...
The towers were designed as framed tube structures, which provided tenants with open floor plans, uninterrupted by columns or walls. This was accomplished using numerous closely spaced perimeter columns to provide much of the strength to the structure, along with gravity load shared with the core columns.
i understand perfectly what you're talking about. tower 1 and 2. and no, the outside facade was not supporting the load-bearing work done by the central columns. afairemember. the facade participated in keeping THE FLOORS up with the central columns, but remember, ALL FLOORS AND FACADE could be demolished, and the central core would still stand.
the windows busting look like thermate charge expulsions. normal. for a demo.
Or, you know, the result of being hit by something on the inside, where the building started to collapse... or strees on the left side of the building, just like how a billion windows break when the building collapses.
the roof caving in is seen in all other modern steel 'scraper demos.
piece of shit admits to pulling building seven. why? safety.
Pulling the firefighting operation? These guys knew, after seeing a bulge in southwest corner, (the same corner that you can see at 1:04) that the building had a high chance of collapsing. They gave up on rescuing the building and let it collapse.
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SomewhatNeutral ago
I got dumber watching this video.
Spark_Plugg ago
What specifically makes you say that?
SomewhatNeutral ago
It wasn't what Trump said... it's the nonsense conspiratard garbage in the video.
Fibbideh ago
nice specifics
SomewhatNeutral ago
~ building 7 was not hit by any plane ~
~ there was an explosion right before collapse ~ (it just sounds like a collapse starting?)
~ how could a person be forced out of a window and how was only one window involved? ~ (because it was the only window broken down there? The ejection was probably caused by an internal change. That also might not be a person.)
SaneGoatiSwear ago
SomewhatNeutral ago
https://cei.org/op-eds-and-articles/asbestos-fireproofing-might-have-prevented-world-trade-center-collapse
Show me.
It did not collapse in such fashion. This is how it collapsed. It took about 15 seconds. The building had a giant gash due to the collapse of the north tower. Also, it's OK for one event to be the exception to a "rule".
The building had a very 'unbalanced' supporting structure. There was massive support concentrated in the middle, and a decent part of support on the outside. Without the outside, the middle could not stand. That the tower fell onto itself is the problem, whereas the tower may not have collapsed if someone "flicked" everything above the damaged sections off to the side.
SaneGoatiSwear ago
SomewhatNeutral ago
Well I don't know what you want then. All I know is that the fireproofing was not in great condition and, as I read, was exaggerated by the use of a different material.
Did the fireproofing not fail? Did the floor trusses not fail?
I was specifically addressing the claim of WTC 7 "collapsing at free fall speeds" which is a misrepresentation of what happened. One of the building's major support beams caved, which caused the inside to collapse. The exterior walls collapsed seconds later. You can see the internal collapse in the video.
Well from what I'm reading the exterior columns were very important parts of holding the structure.
Remember, in terms of a hypothetical partial collapse, we're not talking about the core just standing tall on its own; we're talking about the core, without support of the external columns, supporting the full, typical weight of the building above.
SaneGoatiSwear ago
SomewhatNeutral ago
In the best case, you have a hollow building collapsing at "freefall speeds" which isn't that impressive.
When I mention that I'm talking about the towers, I don't know if you misunderstood me...
SaneGoatiSwear ago
SomewhatNeutral ago
That's EXACTLY what I'm saying, because that's exactly what happened. Here's the video again. Look at the roof. Look at the windows busting as the inside collapses.
Well that's not what I'm reading... Paragraph 2
SaneGoatiSwear ago
SomewhatNeutral ago
Or, you know, the result of being hit by something on the inside, where the building started to collapse... or strees on the left side of the building, just like how a billion windows break when the building collapses.
But a gash couldn't. The environment of WTC 7 is simply not comparable.
Pulling the firefighting operation? These guys knew, after seeing a bulge in southwest corner, (the same corner that you can see at 1:04) that the building had a high chance of collapsing. They gave up on rescuing the building and let it collapse.
SaneGoatiSwear ago