It came a lot closer to falling straight down than it did to mimicking what NIST showed of their model crumpling up. Anyway, on the topic of NIST's WTC 7 model, I recently threw together this video:
It seems much of the removal of WTC 7's redundant support was done earlier in the day, starting as early as before the towers came down, when Barry Jennings first reported being blasted back on the staircase around the eighth floor. As for bangs in the final moments, there were bangs massive enough to get everyone four blocks away to whip their heads towards WTC 7 in this video:where are the massive flashes of light that you see in a CD in WTC7?
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Where are the massive BANG BANG BANG's that you have in the CD video for WTC7?
I wasn't able to find a CD example that had an interior in the same sense WTC 7 did, so I went with the Landmark because it had the most comprable height from what I've found.Where is the collapse of the interior which brings down a part of the CD and the rest stays standing for 8 seconds before collapsing?
I did that to exemplify the fact that WTC 7 collapsed much like a traditional controlled demolition, and the fact that NIST didn't even come close to proving fire could cause a building to come down anywhere near as quickly or completely as that.Why do you continue the videos AFTER the NIST simulation stops?
It seems much of the removal of WTC 7's redundant support was done earlier in the day, starting as early as before the towers came down, when Barry Jennings first reported being blasted back on the staircase around the eighth floor.
As for flashes related to those bangs,I haven't found any video of the lower part of the building where such flashes might be seen durring the final moments.
I did that to exemplify the fact that WTC 7 collapsed much like a traditional controlled demolition, and the fact that NISTdidn't evencame close to proving fire could cause a building to come down anywhere near as quickly or completely as that.
You made a mess out of my statement, wildly misinterpreting it.I've made out a your statement...
It seems much of the removal of WTC 7's redundant support was done earlier in the day, starting as early as before the towers came down, when Barry Jennings first reported being blasted back on the staircase around the eighth floor. As for bangs in the final moments, there were bangs massive enough to get everyone four blocks away to whip their heads towards WTC 7 in this video:
Albeit they're very faint on the recording from the interview mic, and the last bang is caught more clearly in the same video I used for upper middle postion:
I did that to exemplify the fact that WTC 7 collapsed much like a traditional controlled demolition, and the fact that NIST didn't even come close to proving fire could cause a building to come down anywhere near as quickly or completely as that.
Or an alternative is that a sufficient amount of the interior support structure had progressively failed to the point where an entire section was to weak to continue supporting itself. When the columns buckled, their integrity as structural load bearing pieces was completely gone. That happens when this failure mode occurs.
All these "cans, cans, and more cans" but nothing concrete to offer?
From a scientific standpoint you have yet to produce a single technical analysis that would pass a freshmen university level architecture class.
Do tell, why do think a building collapse due to fire is extraordinary? I expect you to provide examples and then explain point by point why your example is an analogue to the WTC. I expect you to do a full building case study using the WTC and a comparable example of your choice, educate this graduate student with all of your study. I assume if you have a good analysis ready this should be no problem for you.
Liar.
Very clearly a request for empirical evidence, except to someone who defines "available" as "not available".
Dave
You need to go back and look at the diagram. You just switched back to your original argument, that it was the lack of lean that proves simultaneous destruction of the supports, not the freefall. You're getting very confused here.
Dave
Your logic fails here. Instead of winging it I would suggest getting a book which talks about load paths. You especially need to take a lesson on eccentric loading. For all that is sane actually study what you're talking about!!!!
Hmmm 'there are no "massive pieces of unbroken structure"' despite the fact that the building is broken up into three massive 33M chunks? When the lowest chunk hits the ground it is completely vaporised so as to not offer any resistance to the other two? OK...No, it's specified in the description that the building in the thought experiment has had its columns sufficiently fragmented to remove all support, and there are no "massive pieces of unbroken structure". The building is at least 80 feet in the air and has no support, but according to you it cannot be accelerating at 1g because the supports were not removed simultaneously. Describe what is providing the retarding force.
Dave
Sorry, something loud enough to damage the core columns of 7WTC would have been in the 140db range. So loud, that it would have been caught on every single recording device. It is NOT in this video. If it was loud enough to get everyone to turn around, than it should have been loud enough to be picked up on the microphone.
You fail.
Still no loud bang.
If you mean to compare to buildings that collapsed, you're correct. Two buildings that collapsed do look alike. HOWEVER, ever single CD that is not using cables or hydraulic rams, makes loud bangs. Lots of them.
NIST did in fact prove that fire can, and will, bring a building down. Just because you don't agree, doesn't make you right.
58 perimeter columns cannot buckle simultaneously over eight stories at the exact same locations.
Even if this was in fact possible, buckled columns still provide resistance, not none at all.
On the other hand it is quite an ordinary claim to say that timed explosives could simultaneously remove eight stories of resisting structure though.
Absolutely no one at all has ever presented a sound technical analysis that fire brought down WTC 7. Yet you believe in this crackpot theory without question. That is faith-based pseudoscience not fact-based science.
OMG you're really onto something here. There is also no loud bang from a gun with a silencer. So I guess its not really a gun and therefore can't do any damage.
OMG you're really onto something here. There is also no loud bang from a gun with a silencer. So I guess its not really a gun and therefore can't do any damage.
There is also no loud bang from a gun with a silencer.
Read about it. Visualizing a load path means to understand how the weight of a floor or object is transferred to the ground. It's plainly obvious that while lecturing me of all people you've done absolutely no background research on it. Having joined in this kind of talk you have absolutely no excuse for not having studied it before jumping in. As far as I'm concerned the accusation that I'm posting big words to simply "discredit" you is nothing more than an excuse, you are genuinely unqualified to be telling other people they're wrong, having done nothing on your own time to study.Sorry but spewing jargon that you have no understanding of in a vain attempt to discredit me
So you proclaim, but the columns were obviously damaged enough for WTC 7 to come down.Sorry, something loud enough to damage the core columns of 7WTC would have been in the 140db range. So loud, that it would have been caught on every single recording device.
Again, a sequence of booms were picked up by the interview microphone, albeit very faintly. However, if not those booms, what do you figure caused everyone to turn toward WTC 7 right before it started coming down, a group premonition.If it was loud enough to get everyone to turn around, than it should have been loud enough to be picked up on the microphone.
Notably louder than the sound of the building coming down after it.Still no loud bang.
Again, NIST didn't even come close to proving fire could cause a building to come down anywhere near as quickly or completely WTC 7 did, having only shown their model just start to come down. Get back to me if NIST ever releases their model so everyone can see if it lives up to their claims. Until then, what you are claim as fact is really nothing more than faith.NIST did in fact prove that fire can, and will, bring a building down.
Not one person that has ever made this claim has ever defined what they think a building collapse should have looked like, or how they think the collapse should have progressed. If you have a comparable then by all means name it and justify it... Otherwise people have to assume that the complaint about a perceived deficiency is in essence not relevant.kylebisme said:anywhere near as quickly or completely