Questioning the Pancake Theory for the WTC North Tower Collapse
This guy says that the top thirteen stories of WTC1 dropping twelve feet down to the 96th floor releases huge amounts of potential energy-- enough to take out all of the supporting columns of the floor below.
He may be right as far as his calculations go. However, seems to me that floor 97 and above could not have simply dropped twelve feet unless there were charges taking out all the supporting columns. If in reality, floor 97 dropped or collapsed because the core columns and outer columns were weakened by fire, and these columns couldn't hold the load of the floor, then there would be a gradual weakening and lowering-- it certainly wouldn't be a free-fall drop for twelve feet. Thus, I think it is impossible that the collapse of this one floor could have started anything like a global collapse.
More importantly, there is simply no way that the top thirteen floors could have dropped all at once. In fact, there is no way in hell that all thirteen floors are going to be detached from the outer columns and the core columns at the same time AND that the core columns are also ALL going to fail at the same time.
I CAN see one floor failing and collapsing (although I would bet that the floor failure would be asymmetrical and the whole floor wouldn't drop). But I can't see one floor collapsing bringing down the whole tower. This makes no bloody sense.
So, does the official pancake collapse model say that the floors collapsed and cascaded down from around the core structure, and that the core initially stayed intact? This could make some sense, although the progressive collapse should have stopped at floors 75 and 76 where there were solid beams holding the floors instead of trusses. The problem is that in videos and photos, we see no signs at all of the core staying intact as the initial floors fall down. Rather there is just an incredibly violent disintegration of the top thirteen floors and a rapid downward explosive global collapse.
Or, does the official pancake collapse model say that the floors collapsed and cascaded down from around the core structure, and that this brought down the core structure at the same time? I think this would have to be the model to account for the video and photographic evidence, but it absolutely makes no sense that the incredibly strong WTC core would collapse from the floor plates that surrounded it falling down.
The truth: the pancake theory is shit, and the only thing that can account for the pattern of the WTC1 collapse is massive controlled demolition.
He may be right as far as his calculations go. However, seems to me that floor 97 and above could not have simply dropped twelve feet unless there were charges taking out all the supporting columns. If in reality, floor 97 dropped or collapsed because the core columns and outer columns were weakened by fire, and these columns couldn't hold the load of the floor, then there would be a gradual weakening and lowering-- it certainly wouldn't be a free-fall drop for twelve feet. Thus, I think it is impossible that the collapse of this one floor could have started anything like a global collapse.
More importantly, there is simply no way that the top thirteen floors could have dropped all at once. In fact, there is no way in hell that all thirteen floors are going to be detached from the outer columns and the core columns at the same time AND that the core columns are also ALL going to fail at the same time.
I CAN see one floor failing and collapsing (although I would bet that the floor failure would be asymmetrical and the whole floor wouldn't drop). But I can't see one floor collapsing bringing down the whole tower. This makes no bloody sense.
So, does the official pancake collapse model say that the floors collapsed and cascaded down from around the core structure, and that the core initially stayed intact? This could make some sense, although the progressive collapse should have stopped at floors 75 and 76 where there were solid beams holding the floors instead of trusses. The problem is that in videos and photos, we see no signs at all of the core staying intact as the initial floors fall down. Rather there is just an incredibly violent disintegration of the top thirteen floors and a rapid downward explosive global collapse.
Or, does the official pancake collapse model say that the floors collapsed and cascaded down from around the core structure, and that this brought down the core structure at the same time? I think this would have to be the model to account for the video and photographic evidence, but it absolutely makes no sense that the incredibly strong WTC core would collapse from the floor plates that surrounded it falling down.
The truth: the pancake theory is shit, and the only thing that can account for the pattern of the WTC1 collapse is massive controlled demolition.
posted by spooked at 10:28 PM
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