Above 1, degrees Fahrenheit, it loses a significant amount of its strength. He said the extreme heat from the fires might have caused the steel floors to expand and bow, which may have caused the support columns to bend inward and buckle. Heat also may have caused the steel flooring to separate from the columns, or the columns themselves may have heated up and buckled outward.
Hamburger and his colleagues have not yet determined which of these scenarios occurred on Sept. As the tower collapsed, the trusses just fell apart," he observed, noting that trusses are difficult to fireproof. Hamburger noted that each tower was constructed using a novel tube frame system designed to resist winds of up to 80 miles per hour.
But the connections of the tube frame were weak, causing them to break apart and become three-pronged missiles that crashed into the street and into nearby buildings. Future designs. He pointed out that fires frequently occur in high-rise buildings and noted that between and , 30 fires occurred in the United States in buildings that were 50 stories or taller. Right now, structural engineers know very little about fire. He and his colleagues will attempt to answer those questions when the ASCE report is made public next spring.
Does it make sense to design buildings to withstand such events as Sept. But the truth of the free-fall collapse is very simple. Just looking at the video clips of the story building dropping symmetrically, with little deformation reveals to most open-people that it was a controlled demolition. Just watch it, and judge for yourself. In this vein, I would like to point to a very important expert interview that is incredibly damning of the official story.
The interview was conducted by Dutch television reporters, who asked Danny Jowenko, a leading building demolition expert in Europe, what he saw when they showed him a clip of WTC 7 falling. They did not tell him what building it was beforehand, nor did he appear to recognize it. His immediate and unequivocal reaction was that it was a controlled demolition.
The interview is in three parts on YouTube, in Dutch with English subtitles. Here is a link to the first part:. Excellent article, thank you. And well done to all the architects and engineers who tirelessly helped realise this important scientific body of work.
The findings from UAF are unimpeachable. A full copy of the report is available for free at the University website, where all professionals should see for themselves. Hulsey et al, and all those at AE truth, are to be commended for their perseverance and bravery. WTC 7 was clearly visible behind her in the background. This has now been confirmed by University of Alaska Fairbanks.
My compliments for this honest and factual reporting. Thank you. Please stand up to the upcoming requests to censor yourself speaking about reality in stead of some narrative pushed by those Powers that Should Not Be.
Have a nice day. The collapse was only a controlled demolition. No one under the logical science could believe the NIST theory. Surprise surprise….. Wouldnt be surprised if the WH tries to stop all that. All those people who lost their lives and some families are still in trauma, deserve to know how American Govt murdered its own people in cold blood.
Be still, my heart! It is encouraging that a large newspaper has covered this story as it certainly lacks coverage practically every where else.
Clearly they know this is not true. I have followed AETruth. I feel they are on the correct track. Personally, I think it is important that we keep this a scientific discussion rather than get distracted on who, why and for what. NIST needs to be able to prove that the UAF study which is publicly available is not accurate or at least be able to make their modelling information public so that others can scrutinize their findings.
The evidence is clear and now we must get out the crayons and show the fact that you have exposed The real criminals. Time now for justice before they all die of old age. Thank you for this long overdue story it demonstrates a truly honest approach to this remarkable coverup of facts by NIST. Well done. Steel framed buildings cannot collapse in free fall unless the strength has been completely removed below the falling section. Even Shyam Sunder lead investigator for NIST explained why that is impossible from fire in a press conference in August to launch the draft edition of their report into the collapse.
Looks like a demolition to me! This report just confirms what my eyes were telling me when the buildings came down. It was a controlled demolition and a false flag operation so the administration could pass the patriot act without any pushback from anyone and it worked perfectly.
Even Senator Bob Graham of Florida has many questions concerning this physical impossibility but he has ben kept from stating his knowledge due to the possibility of prosecution. I also wanted to add that in this world the physics would make this kind of free fall collapse impossible. In this day and age — during the information revolution — we should not have to wait twenty years for there to be mainstream discussion of the event from a scientific perspective.
NIST, by abandoning science, has done the world a terrible disservice. Those responsible deserve to be held in opprobrium. John Hort is on target. Neo-Cons Zakheim, Wolfowitz, et al participated in the study. Zakheim was Comptroller of the Pentagon budget. A missile hit the Pentagon destroying the section where the ONI was investigating the fraud.
Owner Silverstein wanted to redevelop the WTC but faced billion dollar bills for asbestos fire-proofing removal. But the failure visibly began in the centre. Each fraud was covered up by another. A few thousand spectators, some may have videotaped it, a nice reward may tease out a few of these so we can compare the tapes. Delivered coffee to Windows on the World restaurant , the elevator banks were two and three feet deep steel reenforced concrete , they would have been standing if a fire took down the buildings.
The cleaning crews and bomb sniffing dogs were removed in the Summer of Too many unanswered questions , this was the Millitary Industrial Complex and the Corporate Masters of the Universe looking out for their interests. Journalists are in the same situation. If you value your job, you better go along with what the government says. Thank you AET for being a voice of reason.
Here is an explanation of their importance. They were in Afghanistan the month after. Please research what we are saying. God Bless. WTC 7. The collapse of this building, when viewed from most angles, does appear to resemble a demolition. Of particular concern is this building was not a towering inferno by any stretch of the imagination.
The UAF report raises some very important questions which must be answered thoroughly and precisely. There is much at stake here for two reasons. No individual or agency has ever been able to demonstrate the motions observed for both Building 7 and the twin towers, using a real world experiment.
The NIST analysis and progressive collapse theory disagrees with experiment. Rather it was brought down in a classic controlled demolition manner. And thanks very much to daily commercial news for printing this, very happy to see this. Their authority and expertise was considered to be the industry standard for all things quality. How disappointing that now they are just another compromised organization whose credibility is long gone.
Judging by practically every comment here there are a lot of people due to be disappointed if they think anything should result from this, since the collapse of WTC7 was not a controlled demolition, but a structural collapse. Hulsey, Gage, Walter, Korol, etc. That report should explain the cause and mechanics of the collapse in great detail.
WTC 7, we knew, was built on a small number of large columns providing an open Atrium on the lower levels. Approximately three hours after that order was given, WTC 7 collapsed. About people raised their hands. Thank you, to all of you for being so focused. Common sense says that random fires can not possibly bring a steel frame building down symmetrically at near free fall speed. Thousands of dollars are being spent to prove the obvious and dozens of people are having to jump through hoops because of a criminal cover-up.
Not many want to accept the fact that the high-rise architects and engineers know what they are doing, that fires generally will stay on the floor they started on. Hopefully will be the year that this story from finally breaks.
Thank you for reporting this. A refreshing bit of courageous journalism despite the nearly two decades conspiracy of silence. Amidst our current global uncertainties, we must seek truth and integrity to ensure freedom and justice, it is the birthright of our humanity. There is so much proof that this is true. And yet we sit and except it as normal. What have we become? This may be a bit extreme, however, until the reasons can be validated as to how an object that is not in motion can have an amount of inertia to move in downward and outward at free fall, in a pyroclastic cloud of dust and the ejection of thousands of tons of steel sideways well over feet, that all building must come to an end and the subject of physics must be suspended.
I am ashamed of science in general as it has become a perverse form of modeling using false assumptions and reverse engineered outcomes that are not possible nor repeatable using what we used to know as the scientific method. Thank you for this. Yes, thank you for your fearless journalism! The truth necessarily should set The People freaked! But free nonetheless. Thanks for publishing this! On September 11, , the world witnessed the total collapse of three large steel-framed high-rises.
Since then, scientists and engineers have been working to understand why and how these unprecedented structural failures occurred. If one of my students had written either of the NIST reports not only would I have failed them but I would also have had them thrown out of my programme for serious violation of research ethics both in fabrication and falsification of evidence together with failure to supply sufficient information for me to be able to reproduce their results which is an essential requirement for any scientific report.
There are two hypotheses on offer — Fire and Controlled Demolition. Dr Hulsey and his colleagues have demonstrated that it was not fire. Then after the building collapsed, where was the evidence of all the steel having been cut. Cutting steel columns leaves the ends of columns cut and it would be obvious to any one of the hundreds of people on the site afterwards.
Thank you for this article. Thank you for doing your jobs as journalists. The only respectable news website on the internet who has reported on this. The US approved 23 building and fire code modifications in , following investigations into the World Trade Centre disaster.
They included measures to improve fire resistance in building materials, to reinforce structures against collapse, and add blast-resistant walls to elevator and stairwell shafts — all designed to help buildings stay intact long enough to get people out. High-rise buildings were required to improve radio coverage systems to ensure emergency crews can communicate with each other inside, and with personnel outside.
A requirement for an extra stairwell did get through, but only in buildings above metres, more than 40 storeys high.
The width of stairways would be increased by 50 per cent, but only in a building code that does not cover most of the new high rise buildings being built across the United States today, including New York City. While ICC codes are broadly adopted around the US, they are a minimum standard for building and fire codes and it's up to states and local jurisdictions to decide what to enforce.
Karl Fippinger said the ICC will continue pushing the building industry to go above minimum safety codes. We acknowledge Aboriginal and Torres Strait Islander peoples as the First Australians and Traditional Custodians of the lands where we live, learn, and work. The simplest of escape routes were the stairwells. More on:. Government releases its modelling underpinning the net zero emissions target. Perth Airport 'missed the mark' in move to recognise traditional owners on boarding gates.
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