ElMondoHummus
0.25 short of being half-witted
Oh yes all 58 perimeter columns and 25 massive core columns buckled simultaneously over 8 stories to allow free fall. That's not hard to believe at all. Remember that the NIST fairy tale is completely unverified, untested and unsupported. Their "evidence" is a computer model whose data is unavailable to independent researchers. Nothing suspicious about that at all.
Incredulity is not a rebuttal. The only way you can refute the story is to demonstrate that columns would not buckle when load paths change and their loads increase beyond their design limit. Yeah, good luck with that.
On top of that, who said anything about simultaneously? Remember the word "progressive"? The failures traveled. (You're not very good at this debate thing, are you?)
Also: If you had studied the actual event, you'd realize that there were already perimeter columns that were damaged by the debris that also touched off the fires. So no, you wouldn't have to have buckled all of them, because some of them had already been compromised by that point. Furthermore, if you would've read my post, you'd realize that only a segment of the building fell at g, not the entire building. So above and beyond that, you wouldn't need all columns in the building to fail. You'd only need the ones in that area to, and again, some of them had already been compromised before the north face descent.
And: The NIST model's data is available to "independent researchers". What do you think the NIST reports are? Furthermore, you contradict yourself when you say that their narrative is "untested and unsupported", then in the very next sentence mention the very modeling that tests and supports their conclusions. On top of that, the findings are verified. Go look up the modifications to the ASCE-7 standard as well as the various NFPA codes that were changed in response to the reports generation. And keep an eye on what the ICC will do; they've already modified international code in response to the first NIST reports and should be in the process of evaluating the WTC 7 report now. What you fail to mention is that their research is validated, and has been done so by the very organizations it affects - building code bodies - as well as the very companies that put it into use (Arup, for example; read up on what they applied from the NIST reports to the Beijing TVCC building, which burned but did not fall because it was built to new standards generated by the NIST research).
Merely making up vapid, unspecific objections is not a refutation. And it's especially hollow in the face of the application of the findings NIST published. I'd say that you need to try harder, but your track record here indicates that this is pretty much the best you've got: Vague statements, zero supporting arguments, no detail. So, good luck in coming up with a rebuttal.
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