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Can a firefighter go into a multi-story high rise sky scraper constructed of steel beams and say it's going to collapse. HELL NO!
So, FF's had the foresight concerning the collapse of WTC 7, but had no idea that WTC 1 & 2 would collapse?
Of course the Trade centre was demolished on 9/11, but images broadcast to us 'live' via television were computer generated virtual reality imaging, pre-prepared and designed to 'shock and awe' the viewer.
The actual demolitions must have been a more orderly affair and not at all how the perpetrators would have us believe....
Would you be so kind as to describe what exactly you did see?
The fire and debris damage was isolated to one side of the building, so based on the structural damage it should have fallen towards that area. Instead, it went straight down.
How else would it fall except straight down,
Because it free-fell for 100ft, which would mean the underlying structure that it should have made contact with in order to destroy the building was already moving. You can't accelerate when the laws of physics say you should decelerate, the same goes for the twin towers as well.
and why is it impossible except with explosives?
Not to the say the tv footage was fake on 911. But WTC attacks were staged and planned with ample time
Originally posted by curious_soul
reply to post by TrickoftheShade
I'm so sick of this tired excuse...
No offense to FF's, but they have no idea on wether a steel structure building would or could collapse or not, especially so, since there was no precedent before 911 of a full collapse of any steel stucture of this magnitude.
Incident command should consider the following when determining collapse potential:
Structural inadequacy, poor construction, illegal or non engineered renovations
Fire size and location, and conditions on arrival
Age of building
Previous fire
Fire load to structural members
Backdraft or explosions
Engineered lumber, truss joists, nail plates
Load increase as a result of water load
Cutting structural members during venting operations
Cracks or bulges in wall
Water or smoke that pushes through what appears to be a solid masonry wall
Unusual noises coming from building or dwelling
Truck operations notice soft or spongy footing
Weather extremes
Originally posted by TupacShakur
It's not like the building was set to blow up at exactly 5:38PM or whatever, whoever is going to pull a building controls when it comes down.
I don't think firemen are qualified to judge whether or not a buildings structure is stable or not. I don't think they were in on it, they were just doing their job: fighting fires.
It fell at free-fall speed for 100ft. That means there was absolutely no resistance through the path of greatest resistance. That means the structure below that it should have contacted and destroyed wasn't there when it should have been, meaning that something took out the underlying supports, meaning a controlled demolition.
Now answer the questions I asked in the last post.edit on 23-7-2011 by TupacShakur because: To edit my post
Originally posted by ontarff
reply to post by TrickoftheShade
No one's ever adequately explained to me why the collapse is odd. The building was an unusual design and the firefighters thought it would fall. Only a tiny handful of engineers - most of whom seem to be kitchen designers and eco-consultants - have an issue with it. Real experts like the firefighters seem to agree with me.
All of the information posted in the OP has gone right over your head. You still don't get what was "odd". The information was explained "adequately" for educated people. It is prudent for the firefighter's to err on the side of safety when guessing if building collapse is possible. If a fire officer knows that a building has suffered a structural compromise due to support columns being taken out by a commercial aircraft, and trusses have been exposed to fire for an extended time, he could easily surmise that a structural collapse of some sort is indeed possible. It is best to err on the side of safety.
However, it was not known by the fire officers that WTC1 or 2 would in fact come down in the manner it did at near free fall. Silverstein's comment to "pull" the building excludes WTC7. If the fire officers knew this as a certainty, the firefighters would have been ordered to evacuate in a more timely manner. Again, this has nothing to do with the physics of the building collapse.
Originally posted by TupacShakur
reply to post by Aloysius the Gaul
The fire and debris damage was isolated to one side of the building, so based on the structural damage it should have fallen towards that area.
How else would it fall except straight down,
Can a firefighter go into a multi-story high rise sky scraper constructed of steel beams and say it's going to collapse. HELL NO!
That's why the jet fuel theory is weak. There is no way a wing (with thin aluminum framing(not solid) can penetrate mild (very strong) steel column wall of the WTC and continue to position its fuel directly below the floors steel beams.. That's why you saw such a big explosion instantly upon impact , which was the wings (filled with fuel ) exploding violently.