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Failure of Welded Floor Truss Connections from the Exterior Wall during Collapse of the World Trade Center Towers
app.aws.org...
Summary
Analysis of the connections supporting the composite floor system of the WTC towers showed that at and below the im- pact floors, the greater majority (above 90%) of the floor truss connections were either bent downward or completely re- moved from the exterior column. This was probably related to the overloading of the floors below the impact region after col- lapse initiation. Depending upon weld joint geometry, detachment of the main load-bearing seats was a result of either fracture in the heat affected zone of the base material (standoff plate detached from spandrel) or through the weld metal (seat angle detached from standoff plate). Failure in both cases was assumed to be a result of a shear mechanism as a result of overloading from floors above impacting those below. There did not appear to be a significant change in distribution of failure modes of the floor truss connections when comparing those connections inside vs. outside of the impact region or those ex- posed to pre-collapse fires and those that were not.
"Nothing left."
originally posted by: samkent
a reply to: AyinSof
I took a dump on Sept. 11,2019. It looked sinister to me.
If you are trying to connect dates with events save your brain.
Something happened in history every day of the year.
Today in history:
Tylenol was recalled due to cyanide tampering.
Jewish passports were invalidated in Nazi Germany.
Forty Eight members of the Order of the Solar Tradition Cult committed suicide to escape the hypocrisies and oppression of this world.
And on and on.
Don't start on numerology. It's more of the same BS.
still, see if you're alive by 2023 if something happens on sept 11
10 Most Brutal Massacres in History
www.realclearhistory.com...
7. Chios massacre (March - July 1822). The Ottomans were bad people for a few centuries during the Middle Ages (RealClearHistory has more on the Ottomans here). In 1822, Istanbul massacred 52,000 Greeks on the island of Chios during the Greek War of Independence. The massacre was used deftly by imperial proponents in London, Paris, and Moscow, and further isolated the Ottomans from European diplomacy. As for the inhabitants of Chios, most were apathetic toward the rebellion until the massacre.
6. Massacre of the Rhineland Jews (1096). More of a series of massacres than a single, horrific occurrence, the massacres of the Rhineland Jews in 1096 are considered by some historians to be the first of many pogroms in Germany and France that eventually culminated in the Holocaust some 850 years later. The massacres began with the People’s Crusade of 1096, which was a Crusade considered to be unofficial because the Pope himself did not sanction it. It is estimated that 12,000 Jews died in the Massacre of the Rhineland Jews.
originally posted by: neutronflux
a reply to: kwakakev
In reply to NWOwned statement.
"Nothing left."
Not sure what your ranting about? The American Welding Society documented the recover and examination of thinner metal objects like floor connections.
The tower columns were numbered and identified by those numbers. What columns were not recovered?
originally posted by: neutronflux
a reply to: AyinSof
You
still, see if you're alive by 2023 if something happens on sept 11
That doesn’t sound threatening, or a bit personally intrusive on the crazy side?
I personal hope you and samkent are both alive and well in 2023. And maybe someone will be out of the rabbit hole by then.
Where do the two below events kit?
10 Most Brutal Massacres in History
www.realclearhistory.com...
7. Chios massacre (March - July 1822). The Ottomans were bad people for a few centuries during the Middle Ages (RealClearHistory has more on the Ottomans here). In 1822, Istanbul massacred 52,000 Greeks on the island of Chios during the Greek War of Independence. The massacre was used deftly by imperial proponents in London, Paris, and Moscow, and further isolated the Ottomans from European diplomacy. As for the inhabitants of Chios, most were apathetic toward the rebellion until the massacre.
6. Massacre of the Rhineland Jews (1096). More of a series of massacres than a single, horrific occurrence, the massacres of the Rhineland Jews in 1096 are considered by some historians to be the first of many pogroms in Germany and France that eventually culminated in the Holocaust some 850 years later. The massacres began with the People’s Crusade of 1096, which was a Crusade considered to be unofficial because the Pope himself did not sanction it. It is estimated that 12,000 Jews died in the Massacre of the Rhineland Jews.
originally posted by: NWOwned
Anyway, something to think about.
originally posted by: Lykan
originally posted by: NWOwned
Anyway, something to think about.
I appreciate your post. It makes one think, Hopefully open a mind to think in a different direction.
I will never forget the day, or my age. I recorded much of the news that day of course the news The only thing that was on. I caught the 2nd tower going down on Live TV.
Maybe it was the way the Reporter was screened over the footage that was live, maybe it was just my inability to grasp the situation. However I will never forget looking and examining the footage as it was playing. It looked to me like cheesy CGI. I was completely convinced that my neighbors had me tune into a TV show, it just did not appear real to me. As much as I have looked back on that day and replayed That footage it still does not look right to me.
It is obvious the towers are on the ground and somewhat obvious the planes hit the towers. However something was amiss that day. I will probably never know the answer to to what happened that day.
Perhaps that Is all in my mind perhaps it is not. I'm a very fact a based logical person. I'm not one to Waste time on silly pursuits. At the very least I know for a fact that somewhere someone abandoned their duty to this country and that is un forgivable.
So I appreciate your different way of thinking, and your fresh look. I also appreciate and look forward to any thoughts you have about what happened to the towers and anything else that happened that day. Is nice to see somebody fresh in the forums.
Is it nukes?
Thermite ceiling tiles and paint?
Dustification?
Holograms?
Missiles and lasers?
Fizzle no flash bombs?
Plasma?
Evidence for thermite cutter charges is winning.
Evidence in the air samples at the time.
originally posted by: kwakakev
a reply to: neutronflux
You hang in too mate. I am not sure how to get you out just yet. People are trying.
I do get it. I so wish the official story was right, I really do.
Active Thermitic Material Discovered in Dust from the 9/11 World Trade Center Catastrophe
benthamopen.com...
Thus, while some of the aluminum may be oxidized, there is insufficient oxygen present to ac- count for all of the aluminum; some of the aluminum must therefore exist in elemental form in the red material.
post 8 by Oystein
www.internationalskeptics.com...
They claim to have found elemental Aluminium, one key ingredient to thermite, in a fifth chip. However, this fifth chip is of a different material than the four others, as is proven by their own data presented in figures 6 and 14. They did NOT dind free aluminium in any of the material that they igited and claimed to be or contain thermite
Progress Report on the Analysis of Red/Gray Chips in WTC Dust
aneta.org...
Conclusions
The red/gray chips found in the WTC dust at four sites in New York City are consistent with a carbon steel coated with an epoxy resin that contains primarily iron oxide and kaolin clay pigments.
There is no evidence of individual elemental aluminum particles of any size in the red/gray chips, therefore the red layer of the red/gray chips is not thermite or nano- thermite.
Steven E. Jones
en.m.wikipedia.org...
In April 2009, Jones, along with Niels H. Harrit and 7 other authors published a paper in The Open Chemical Physics Journal, titled, 'Active Thermitic Material Discovered in Dust from the 9/11 World Trade Center Catastrophe'.[47] The editor of the journal, Professor Marie-Paule Pileni, an expert in explosives and nano-technology,[48][49] resigned. She received an e-mail from the Danish science journal Videnskab asking for her professional assessment of the article's content.[50][51] According to Pileni, the article was published without her authorization. Subsequently, numerous concerns arose regarding the reliability of the publisher, Bentham Science Publishers. This included the publishing an allegedly peer reviewed article generated by SCIgen [52] (although this program has also successfully submitted papers to IEEE and Springer [53]), the resignation of multiple people at the administrative level,[54][55] and soliciting article submissions from researchers in unrelated fields through spam.[56] With regard to the peer review process of the research conducted by Jones in The Open Chemical Physics Journal, David Griscom identified himself as one of the reviewers.[57] The paper which Jones co-authored referenced Griscom, and multiple scientists studying 9/11, in the acknowledgements for "elucidating discussions and encouragements".[19] Almost four years prior to identifying himself as a reviewer and the welcome he received from Jones for speaking out boldly,[58] Griscom published a letter in defense of evidence-based 9/11 studies;[59] of which Jones was an editor.[60]
The case for thermite is strong and does explain many of the abnormalities found.
Clean cuts from support beams recovered.
originally posted by: Pilgrum
a reply to: kwakakev
That's not evidence of cutting (the pile of steel pieces all about the same length). That's how it was delivered to construct the buildings (IE in convenient truck-sized pieces). It was lifted into position where it was welded/bolted together and those joints failed during the collapse rather than the steel sections themselves. There's a reasonable case there for claims of sub-standard construction but we never hear anything along those lines for some reason.
Here's a couple of those 'sticks' which were core column sections and the weld that failed is visible. The column sections are remarkably unscathed otherwise.
Heat source for 3 month fire.
originally posted by: mrthumpy
originally posted by: kwakakev
a reply to: neutronflux
With the last of the fires in the clean taking up to 3 months to finally get under control, it is one indications that thermite was used.
You do spout some utter rubbish. Where did you get the idea that something that BURNS VERY QUICKLY would still be burning 3 months later?
That makes absolutely no sense whatsoever - not that you care about that
originally posted by: kwakakev
a reply to: neutronflux
With the last of the fires in the clean taking up to 3 months to finally get under control, it is one indications that thermite was used. Finding thermite chips in the dust it is also a strong indication thermite was used. There are other indicators like the pyroclastic cloud and the effects this had going down the streets, instantly oxidizing cars that came in contact with this intense energy source. Then there is also the charred remains of the people caught in the pyroclastic cloud, frozen in time, it hit some of them real quick.
You come across as some one obviously up to speed on a lot of the controversy around 9/11. How do you comprehend the twin tower buildings coming down?
originally posted by: cardinalfan0596
a reply to: kwakakev
If you think that a thermite fueled fire lasted for three months, then please produce the video of the massive number of dump trucks that would have been needed every day of that three months to dump thermite into the pile to keep the fire burning.
Close. Pyroclastic Cloud is a better definition. This police car shows evidence of an intense heat source within the cloud. The pyroclastic cloud also fits with the thermite cutter charges.
debunked-9-11-wtc-ae911s-pyroclastic-flow-collapse-dust-clouds.t1823/
www.metabunk.org...
The incredible and impossible magnitude of this calculate temperature is perhaps easy to miss at first. A rise from 300 to 1020? But that's in Kelvin. It's actually a rise from 27°C/80°F to 747°C/1,376°F.
This claim can be debunked quite simply by the observation that no such temperatures were observed in the cloud of dust. We've all see videos and photos of the cloud moving down the street, engulfing people and cars, and we've seen the people afterwards covered in dust. 1,300°F is very hot, hot enough to melt aluminum. Any human caught in a cloud of such superheated gas would instantly suffer third degree burns and die. But they didn't.
originally posted by: kwakakev
a reply to: cardinalfan0596
Last time I posted a photo of a dead person there where some complaints. I have already sent a private message to you with a link where you can find the photo. If anyone else is interested let me know and I can pass on the link.
One photo I am more freely able to share that shows an interesting dynamic of the pyroclastic cloud
originally posted by: kwakakev
a reply to: neutronflux
If the car was hit with a pyroclastic dust cloud, wouldn’t there be actual dust on the car?
You can see from the surroundings that some clean up had already taken place, a lot of the dust on the road and surroundings was also cleaned up. It is also quite likely that the police car was not in that exact location at the time and quite possible just moved to the side of the road until the tow trucks got around to it.
Here is another photo of how the cars responded to the events.
Of course not everyone caught in the dust cloud that day got burnt, but for those closer to ground zero where all the heat and intensity was at its strongest. Not so lucky.
Clean cuts from support beams recovered.
1/2 ton of thermite VS SUV mythbusters
www.dailymotion.com...