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Originally posted by ThichHeaded
707's are bigger than a 767.
Originally posted by Griff
Hmmm...first google search.
ICF Fire Resistance
Fire Resistance
Ever seen concrete burn? Me neither. In tests where ICF walls were subjected to temperatures of up to 2,000 degrees Fahrenheit for as long as four hours, the ICF walls never failed structurally. By contrast, wood frame walls typically collapse in less than an hour. When considering a wood frame home for your next house, consider the countless fire fighters who have died when a wood frame structure collapsed prematurely.
Source: www.concrete-home.com...
Bolded by me. Hmmm....2,000 F? That's 1093 degrees C. Which is much higher than in the WTC fires. After four hours.....never failed structurally.
Still going to claim I'm wrong?
AFTER THE FIRE
Inspection of fire-affected structures is based on
a visual check and comparison with similar cases.
Any concrete exposed to temperatures above 300°C
is removed and replaced.
Originally posted by Niobis
Anyone trying to prove the WTCs didn't collapse because of CD is trying to prove black to be white. There is so much hard evidence pointing to CD, you just can't disprove the facts.
-Molten steel under WTC 1, 2 and 7.
-Rapid collapses at almost free-fall speeds.
-Many explosions heard by many witnesses.
-'Squibs' seen in all videos of both collapses.
-Flashes seen in videos.
Yes, there were flashes recorded in the South Tower collapse-by ABC to be precise.
Here is a screenshot from the DVD, showing the flash:
Originally posted by Niobis
Anyone trying to prove the WTCs didn't collapse because of CD is trying to prove black to be white.
Actually there is no evidence to suggest it was a CD.
What does finding "molten steel" 6 weeks later have anything to do with a CD.
Define almost in this context.
The question you should be asking is why do all these "squibs" after the building has begun to collapse.
Please post it if you do find or please narrow it down as to where it is in Richard Gage's presentation.
That flash happens well after the building has started to collapse...
What does finding "molten steel" 6 weeks later have anything to do with a CD.
Originally posted by Niobis
With some respect, I think you are one of the "red herring posters" Cashlink is referring to in his thread.
Haven't we been over CD before? Or maybe it was "planes". Either way, I know you've presented your disinfo to me before.
All 3 WTC buildings fit a CD, perfectly.
Of course, the Twin Towers are different because they were blown from the top down, but they still have ALL the characteristics of a CD.
And as Richard Gage said, "no building exhibiting all the characteristics of controlled demolition, has never not been a controlled demolition."
It proves thermite or thermate was used. I assumed you would have know that...
It means that if you dropped a ball from 1360 feet it would hit the ground at around the same time either tower collapsed. There was absolutely no resistance-which is the main characteristic of a CD. It is not a characteristic of a pancake type collapse.
Do you expect them to be seen before any explosions? Why are they so uniform? If it was simply puffs of air and debris as claimed by NIST, they would not be centralized to just a single ejection. And they definitely would not be as symmetrical as they are.
In a CD, all the explosives are not set off at the same time. They are set off in a sequence to be the most effective.
I did look over your link, and while I did not read the entire article, I search for keywords like "lava" and "firefighters". I was looking for the firefighter accounts that said "molten steel was flowing like lava". They seem to have left that out.
If the Twin Towers were not a CD, where's the 110 stories of steel decking?
Where's the 90,000 tons of concrete? Why and how was concrete pulverized?
Why was steel beams ejected over 200 feet?
I will not be viewing any of the videos you posted. I have spent countless hours studying the Twin Towers and their collapses, so there is nothing you can show me that will prove those buildings collapsed because of fire.
Originally posted by Cool Hand Luke
Here is an experiment for you. Build yourself a miniature tower out of popsicle sticks. Now drop a cinder block on it. Which direction did the debris go? Certainly not inwards.
Originally posted by cashlink
reply to post by Niobis
You are right! and Cool Hand Luke had a problem with my thread as I recall.
Yep! still up to his old game.
Originally posted by tezzajw
Originally posted by Cool Hand Luke
Here is an experiment for you. Build yourself a miniature tower out of popsicle sticks. Now drop a cinder block on it. Which direction did the debris go? Certainly not inwards.
Fairly poor analogy. Terrible in fact.
In case you missed the point, cinder blocks did not fall on the towers that day.
Originally posted by jprophet420
What does finding "molten steel" 6 weeks later have anything to do with a CD.
It also discredits the NIST papers, as they claim that the steel never exceeded 600°c.
"Here PM's counter claim implies that flame temperatures and steel temperatures are synonymous, ignoring the thermal conductivity and thermal mass of steel, which wicks away heat. In actual tests of uninsulated steel structures subjected to prolonged hydrocarbon-fueled fires conducted by Corus Construction Co. the highest recorded steel temperatures were 680ºF."
That seemed strange to me. They made a point of how steel temperatures are different from the atmospheric temperatures surrounding it, then went on to cite a study and only mentioned the steel temperatures, not the atmospheric. So I went to the website of Corus Construction Co, and found a section in their Research area that said this about the difference in temperatures between steel and atmosphere:
"With regard to steel temperatures, these depend upon the size of the member but for typical unprotected beams and columns these would lag behind the compartment temperatures by around 100°C to 200°C."
So the tests that the conspiracy theorist cited only had atmospheric temperatures ranging around 800-900 degrees, while the Popular Mechanics article (and NIST report) mentions that pockets of the World Trade Center reached 1800 degrees. This would put the steel temperature in those locations at around 1600-1700 degrees, which is far above the 1100 degree mark that steel loses 50% of its structural integrity.
I just thought it was a pretty striking example of dishonesty. The conspiracy theorist site could not have found that Corus study without finding the question on the atmospheric temperature, but left that part out.
Originally posted by Cool Hand Luke
You can claim away all you want, it does not make it so.
Because a building collapses, does not make it contain ALL the characteristics of a CD. One year ago I would have said exactly what you are saying.
Is Richard Gage qualified as an expert of building demolition?
How?
Did you take the time to time it yourself with the videos I provided? Or are you going to continue to spout unproven rhetoric.
They're symmetrical?
Here is a news flash, when you are compressing a gas into a space, the pressure built up will release where there is the least resistance such as an open/cracked/smashed window.
Exactly. And also before a controlled collapse happens, there are a number of charges that go off before the collapse begins.
Here is another question. If the whole building was wired up with explosives, should we not see hundreds of flashes? Why are there so few flashes?
Please forgive my ignorance, could you point me towards that quote from the firefighters?
Again if you did read the article, it does explain how the temperatures stayed so high and why there was red hot steel.
Originally posted by Cool Hand Luke
Earlier you said that was evidence that thermite or thermate were used. How sure are you of that?
It was there and was cleaned up.
Energy. Take a sidewalk block and smash it on the ground, what do you notice? It shatters into smaller pieces. Now drop it from say 70 stories up. What do you notice? Even smaller pieces. Now couple that with thousands of tons crushing it and you have powder.
Where was it supposed to go? Into its own footprint? Thousands of tons of pressure coming straight down is going to push any material in its way outwards. Here is an experiment for you. Build yourself a miniature tower out of popsicle sticks. Now drop a cinder block on it. Which direction did the debris go? Certainly not inwards.
Its a shame you don't take another look at those videos.
I know that I will never convince you of anything as I have taken a look at your posts on your profile. But I urge to take an objective look, without any bias, and make an opinion.
Originally posted by Niobis
It does make it so because it's fact! All 3 WTC buildings feature ALL the characteristics of a CD.
I would like to know what changed your mind about these collapses. How can you believe they were a CD a year ago, but not now?
Oh my. Thermate produces temperature of about 4500 F. That's more than enough to produce molten steel.
Resistance is something we would see in a pancake collapse.
Yes, they are. They are in the center of each side of the building. That's called symmetrical.
So under this explanation it means there was only one opening for this pressure to be released. And it just so happened those openings were in the center of the building on all four sides. That's a highly unlikely coincidence.
Have you seen the Naudet Brother's film?
Explosives can clearly be heard in the North Tower after the initial attack. There were also many witnesses to secondary explosions all the way up until the collapses.
Video of that witness is linked here:
whatreallyhappened.com...
Watch the NBC video of the South Tower collapse. There are many obvious flashes and they resemble the flashes we see in known CD videos.
That video was shown in Richard Gage's presentation. Are you sure you've watched it?
That article is full of disinfo and I will not allow my brain to be filled with such material.
Energy is to blame, but let's use common sense here.
Thousands of tons of steel simply falling does not have that much force.
Further, the pyroclastic dust going up and out before coming down violates gravity and that can only be explained with explosives.