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Originally posted by WraothAscendant
Hmmm once again.
And we have been over this before.
No massive structural damage.
Originally posted by ULTIMA1
Do you need photos since it seems you have a hard time understanding words ?
No building in the United States has ever been subjected to the massive structural damage and concurrent multi-floor fires that the towers experienced on Sept. 11, 2001.
wtc.nist.gov...
"Our analysis indicated the biggest problem would be the fact that all the fuel (from the airplane) would dump into the building. There would be a horrendous fire. A lot of people would be killed, ... The building structure would still be there."
"The buildings have been investigated and found to be safe in an assumed collision with a large jet airliner (Boeing 707—DC 8) traveling at 600 miles per hour. Analysis indicates that such collision would result in only local damage which could not cause collapse or substantial damage to the building and would not endanger the lives and safety of occupants not in the immediate area of impact."
"The building was designed to have a fully loaded 707 crash into it. That was the largest plane at the time. I believe that the building probably could sustain multiple impacts of jetliners because this structure is like the mosquito netting on your screen door, this intense grid, and the jet plane is just a pencil puncturing that screen netting. It really does nothing to the screen netting."
Why do you ignore facts about the buildings strength to withstand multiple impacts from planes?
The structural engineers who designed the both the towers carried out studies in the 60's to determine how the buildings would fare if hit by large jetliners. In all cases the studies concluded that the towers would survive the impacts and fires caused by the jetliners.
John Skilling was the head structural engineer for the World Trade Center. In a 1993 interview, Skilling stated that the Towers were designed to withstand the impact and fires resulting from the collision of a large jetliner such as Boeing 707 or McDonald Douglas DC-8.
A white paper released on February 3rd, 1964 states that the Towers could have withstood impacts of jetliners travelling 600 mph, a speed greater than the impact speed of either jetliner used on 9/11.
Frank A. Demartini, on-site construction manager for the World Trade Center, spoke of the resilience of the towers in an interview recorded on January 25, 2001.
Originally posted by _Del_
Why do you constantly insult the intelligence of other posters that disagree with your interpretation of data?
No building in the United States has ever been subjected to the massive structural damage and concurrent multi-floor fires that the towers experienced on Sept. 11, 2001.
Excepting the three 9-11 collapses, no fire, however severe, has ever caused a steel framed high-rise building to collapse. Following are examples of high-rise fires that were far more severe than those in WTC 1 and 2, and Building 7. In these precedents, the fires consumed multiple floors, produced extensive window breakage, exhibited large areas of emergent flames, and went on for several hours. The fires in the WTC towers did none of these things.
Originally posted by WraothAscendant
You had best cut out the insults for one sitting here and threatening mod action.
But to say it couldn't have caused damage because of that is UNBELIEVABLY stupid.
Originally posted by WraothAscendant
Why do you believe everything one group has to tell you?
Post-impact capabilities of the WTC towers assessed. Demand to capacity ratios—the calculations indicating whether or not structures can support the loads put on them—showed that for the floors affected by the aircraft impacts, the majority of the core and perimeter columns in both towers continued to carry their loads after the impact. The loads from damaged or severed columns were carried by nearby undamaged columns. Although the additional loads strained the load-bearing capabilities of the affected columns, the results show that the columns could have carried them. This shows that the towers withstood the initial aircraft impacts and that they would have remained standing indefinitely if not for another significant event such as the subsequent fires. NIST previously reported that the towers had significant reserve capacity after aircraft impact based on analysis of post-impact vibration data obtained from video evidence on WTC 2, the more severely damaged tower.
Originally posted by WraothAscendant
Ah yes. The classic designer claims invincibility if we started a conspiracy theory based on the fact the designer claimed whatever was invincible.
Then perhaps the US or some other government sunk the Titanic?
The shipbuilders Harland and Wolff insist that the Titanic was never advertised as an unsinkable ship. They claim that the 'unsinkable' myth was the result of people's interpretations of articles in the Irish News and the Shipbuilder magazine. They also claim that the myth grew after the disaster.