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Originally posted by: skyeagle409
A reply to: LaBTop
""LaBTop : Again, you needed to introduce King Kong again, to push those tops through the rest of those towers.""
skyeagle409 : Do you mean like this demolition process where upper blocks crush through lower blocks without the use of explosives?
Seismographs at Columbia University's Lamont-Doherty Earth Observatory in Palisades, New York, 21 miles north of the WTC, recorded strange seismic activity on September 11 that has still not been explained.
While the aircraft crashes caused minimal earth shaking, significant earthquakes with unusual spikes occurred at the beginning of each collapse. The Palisades seismic data recorded a 2.1 magnitude earthquake during the 10-second collapse of the South Tower at 9:59:04 and a 2.3 quake during the 8-second collapse of the North Tower at 10:28:31.
(LT : in reality it took about 17 s for the S.Tower and about 15 s for the N.Tower to collapse)
The Palisades seismic record shows that -- as the collapses began -- a huge seismic "spike" marked the moment the greatest energy went into the ground. The strongest jolts were all registered at the beginning of the collapses, well before the falling debris struck the earth. These unexplained "spikes" in the seismic data lend credence to the theory that massive explosions at the base of the towers caused the collapses.
A "sharp spike of short duration" is how seismologist Thorne Lay of Univ. of California at Santa Cruz told AFP an underground nuclear explosion appears on a seismograph.
The two unexplained spikes are more than twenty times the amplitude of the other seismic waves associated with the collapses and occurred in the East-West seismic recording as the buildings began to fall.
You show utter ignorance of basic understanding of demo-techniques, with those repetitive posts about the Verinage technique of demolishing a building WITHOUT explosives,...
Note also the smoke and dust squib spitting out to the left, from just under the corner failure. When you look carefully to the right upper side of this facade side of WTC-2S, in this You Tube video of the collapse INITIATION of the South Tower, you see the failure progressing at a floor much higher than the above burning corner hole.
The top tilting after that as a whole block is obvious, by the hinge forming in those exterior panels line, situated along one floor level line much higher than the corner hole, at the far right side of that facade :
Brent Blanchard: Demolition Expert and Demolition Writer
Brent Blanchard: One thing I would add is that there are vibration recordings from the site. The seismograph readings that were recorded on 9/11, as they are every day worldwide, recorded the impacts of the planes and the actual collapses of the structures.
You can see in those waveforms and in that data that there was no sudden catalyst at 10:06 or any other time; there was no explosive event. So in order for an explosive detonation to be hidden, folks at those laboratories, actual scientists at Columbia University and other places, would also have needed to be part of the conspiracy.
In the end there is absolutely no scientific evidence that there were explosions in any of those three buildings, and that means a lot to me.
Brent Blanchard's Interview
Furthermore, if you were going to bulk load the columns, you would have not only seen the fireball where the plane hit but also huge fireballs everywhere these explosives detonate, and nothing of the sort was seen.
Brent Blanchard: To prepare those buildings for being demolished would take a lot of preparation. You would need a lot of people involved or you would need a few people for a very long time: weeks minimum, months probably. And they need direct access to the columns. They would not only need access to the buildings undetected but they would need access to the H-beams. They would need to do something to pre-weaken those flanges. There's work that needs to be done or the explosives just wouldn't work.
So you would need people to go inside the building for a long time, and people in the offices would obviously notice that there's something going on. You would also need all these people working on the columns – and witnesses - to stay completely silent about this for many years afterward and not tell anyone, not even their parents or their wife. Not even on their death bed.
The two plane impacts into the tops of the two towers were not explosions, more like conflagrations of a huge cloud of dispersed jet fuel. We can't expect them to behave on a seismogram like real explosions, with their much faster explosive gas-front speeds, and resulting sharp spikes on a seismogram.
We also have to differentiate between three types of explosions.
1. Aerial explosions. Low seismic spikes.
2. Sub-aerial explosions. Medium spikes.
3. Subterranean/basement explosions. Huge spikes.
Protec Documentation Services
Protec Documentation Services is recognized as an international leader in the field of vibration studies, field monitoring and structure inspection services.
Interview with Protec Documentation Services Co.
Protec: All Seismic evidence from many independent sources on 9/11 showed none of the sudden vibration spikes that result from explosive detonations.
Claim #9: Anyone who denies that explosives were used is ignoring evidence.
Protec: Most of our comments apply to the differences between what people actually saw on 9/11 and what they should have seen had explosives been present.
The hundreds of men and women who worked to remove debris from ground zero were some of the countries most experienced and respected demolition veterans.
They of all people processed the experience and expertise to recognize evidence of controlled demolition if it existed. None of these people has come forward with suspicions that explosives were used.
Page 41, waypastvne : Did you ever notice the layer of fire proofing laying on the ground after the impact but before the collapse.
9:08 in this video.
Oh come on, seriously? It takes our teams weeks to get a building ready for demolition, we did a multi-story building in Vegas a couple of years ago, that took 115 people 5 weeks to get the building ready
originally posted by: Flatcoat
And yet, an hour of fires on a couple of floors can do the exact same job........do you really believe that?
Assuming the role of a disinterested observer, the analysis and conclusions put forth by LaBTop are far more logical and persuasive than the material put forth by Skyeagle.
For example from those reported heavy basement explosions, preceding the plane impacts by 13 seconds.
The Elevator Man's Tale
Occupation: Elevator mechanic for Ace Elevator in the World Trade Center
Was in the south tower when the first plane hit.
We heard the explosion and within a matter of seconds after that impact, I heard – and as well as everybody else heard – this noise, this increasing sound of wind. And it was getting louder and louder. It was like a bomb, not quite the sound of a bomb coming down from a bomber. It was a sound of wind increasing, a whistling sound, increasing in sound.
What we heard was 6 and 7 car free-falling from the 107th floor and they impacted the basement at B-2 Level. And that’s the explosion that filled the lobby within a matter of two or three seconds, engulfed the lobby in dust, smoke.
You gotta love Popular Mechanics.
Case closed. Anything else is complete fantasy.
For any other theories, you need to also explain the logistics for how it was possibly set up weeks in advance WITHOUT being noticed by anyone, including the building maintenance people, who, BTW were a UNION shop and would have singled out even a single person who appeared to be doing work in ANY of the buildings, they would have DEMANDED that any such work stop immediately until a union representative showed up to see why a union worker was not performing the work.
There is no possible way workers could have gone for weeks on end without being noticed, trust me, my company has been shut down PLENTY of times for not knowing a certain area was a union shop.