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Originally posted by Varemia
reply to post by Yankee451
You do know that the damage in your picture is from WTC 2, right?
That plane didn't hit dead center.
Originally posted by Varemia
reply to post by TheIsraelite777
In other words:
"I want an eyewitness to this."
"Here you go."
"An eyewitness? I don't think it's real. Provide me with another!"
"What the heck?"
Honestly, you CAN'T discount anything that disagrees with you just because it disagrees.
Originally posted by wmd_2008
Originally posted by TheIsraelite777
Originally posted by wmd_2008
Originally posted by Game_Over
reply to post by vipertech0596
Exactly. You saw the fireball.
You can see how tall the buildings are and what floor each of the jets hit.
Are you suggesting that there was enough liquid fuel left over after the fireball that went down the elevator shafts?
Chew on this game -over
British-born survivor Paul Neal tells how he smelt jet fuel rushing through the lift shafts close to his desk. "I recognised it because I'm a private pilot. I recall smelling it and instantly dismissed it as being illogical because it didn't have any place in the World Trade Center."
May be YOU have seen to many Hollywood explosions
edit on 24-3-2011 by wmd_2008 because: line added
That doesn't mean anything, that's one man's opinion. Show me another eyewitness report. Go ahead, show me.
It does mean something HE was in the buildING were YOU... NO!
Originally posted by wmd_2008
Originally posted by TheIsraelite777
Originally posted by wmd_2008
Originally posted by Game_Over
reply to post by vipertech0596
Exactly. You saw the fireball.
You can see how tall the buildings are and what floor each of the jets hit.
Are you suggesting that there was enough liquid fuel left over after the fireball that went down the elevator shafts?
Chew on this game -over
British-born survivor Paul Neal tells how he smelt jet fuel rushing through the lift shafts close to his desk. "I recognised it because I'm a private pilot. I recall smelling it and instantly dismissed it as being illogical because it didn't have any place in the World Trade Center."
May be YOU have seen to many Hollywood explosions
edit on 24-3-2011 by wmd_2008 because: line added
That doesn't mean anything, that's one man's opinion. Show me another eyewitness report. Go ahead, show me.
It does mean something HE was in the buildING were YOU... NO!
Originally posted by wmd_2008
Originally posted by TheIsraelite777
Originally posted by wmd_2008
Originally posted by Game_Over
reply to post by vipertech0596
Exactly. You saw the fireball.
You can see how tall the buildings are and what floor each of the jets hit.
Are you suggesting that there was enough liquid fuel left over after the fireball that went down the elevator shafts?
Chew on this game -over
British-born survivor Paul Neal tells how he smelt jet fuel rushing through the lift shafts close to his desk. "I recognised it because I'm a private pilot. I recall smelling it and instantly dismissed it as being illogical because it didn't have any place in the World Trade Center."
May be YOU have seen to many Hollywood explosions
edit on 24-3-2011 by wmd_2008 because: line added
That doesn't mean anything, that's one man's opinion. Show me another eyewitness report. Go ahead, show me.
It does mean something HE was in the buildING were YOU... NO!
Originally posted by wmd_2008
Originally posted by TheIsraelite777
Originally posted by wmd_2008
Originally posted by Game_Over
reply to post by vipertech0596
Exactly. You saw the fireball.
You can see how tall the buildings are and what floor each of the jets hit.
Are you suggesting that there was enough liquid fuel left over after the fireball that went down the elevator shafts?
Chew on this game -over
British-born survivor Paul Neal tells how he smelt jet fuel rushing through the lift shafts close to his desk. "I recognised it because I'm a private pilot. I recall smelling it and instantly dismissed it as being illogical because it didn't have any place in the World Trade Center."
May be YOU have seen to many Hollywood explosions
edit on 24-3-2011 by wmd_2008 because: line added
That doesn't mean anything, that's one man's opinion. Show me another eyewitness report. Go ahead, show me.
It does mean something HE was in the buildING were YOU... NO!
Originally posted by ANOK
So you admit that this is just a hypothesis with nothing to support the idea?
Originally posted by ANOK
You expect solid proof of anything a 'truther' says, yet you will support something that has no proof whatsoever just because you think it's a way to argue away explosives. Whoever first thought of fuel flowing down elevator shafts, and exploding in basements, didn't really think it through too well, but no matter plenty of idiots believed it anyway.
Originally posted by ANOK
BTW this pic compare the size of the towers to the amount of jet fuel in the buildings after impact, according to NIST...(the fuel is too the right)
Yes it was a 'good try', it proved your claims are nonsense and you have nothing to support them.
Yankee451 you claim no planes, you claim missile, you claim concrete cores ,you claim the planes could not go through the building so lets see.
Oxford University in 1992 published this on the WTC concrete cores
Modern Skyscrapers such as the World Trade Center, New York, have steel and concrete hull-and-core structures. The central core, a reinforced concrete tower, contains lift shafts, staircases, and vertical ducts. From this core the concrete and steel composite floors span on to a steel perimeter structures: a lightweight aluminum and glass curtain wall encloses the building.
Still, Robertson, whose firm is responsible for three of the six tallest buildings in the world, feels a sense of pride that the massive towers, supported by a steel-tube exoskeleton and a reinforced concrete core, held up as well as they did—managing to stand for over an hour despite direct hits from two massive commercial jetliners.
It was designed as a tube building that included a perimeter moment-resisting frame consisting of steel columns spaced on 39-inch centers. The load carrying system was designed so that the steel facade would resist lateral and gravity forces and the interior concrete core would carry only gravity loads.
At the heart of the structure was a vertical steel and concrete core, housing lift shafts and stairwells. Steel beams radiate outwards and connect with steel uprights, forming the building's outer wall.
The main structural part of the wing is the spar – a continuous beam that extends from one tip of the wing to the other. For modeling purposes, we assumed that the mass of the wings (excluding engine) was approximately 21300kg wing M . This mass does not include the mass of the fuel in the wing tanks. Assuming that this mass is now uniformly distributed over the whole wing span and the wing is modeled as a thin-walled square section cross section ...the equivalent thickness becomes 34.5mm.
So the wing mass, most of which is between the engine and the fuselage has now been equally distributed to the whole wing. All of the material used for support is now used to create a 34.5 mm thick wing-shaped box of aluminum for the sake of their model. Is this an accurate and fair representation to begin this test with?
Originally posted by Varemia
reply to post by Yankee451
I'm uncertain of what you're proving with that image. What is it that you're trying to say?
Is it that the planes hit differently, and that you think that means that the buildings should have behaved differently?
If so, then it can be explained that they did behave differently. One fell basically straight down, while the other fell only on one side, folding in on itself and then moving downward. Also, the tower hit second collapsed first, indicating that something different was going on inside Tower 2, which was making the collapse possibility accelerate.
More reasons to believe there were concrete cores.
Anyone curious about the concrete cores of the WTC will like this site. It contains after destruction photos and much more.
The most noticeable change in the modern high-rise construction is a trend to using more steel and shaping lightweight steel into tubes, curves, and angles to increase its load bearing capability. The WTC has tubular steel bearing walls, fluted corrugated steel flooring and bent bar steel truss floor supports. To a modern high rise building designer steel framing is economical and concrete is a costly material. For a high-rise structural frame: columns, girders, floors and walls, steel provides greater strength per pound than concrete. Concrete is heavy. Concrete creates excessive weight in the structure of a building. Architects, designers , and builders all know if you remove concrete from a structure you have a building that weights less. So if you create a lighter building you can use columns, girders and beams of smaller dimensions, or better yet you can use the same size steel framing and build a taller structure. In News York City where space is limited you must build high. The trend over the past half-century is to create lightweight high buildings. To do this you use thin steel bent bar truss construction instead of solid steel beams. To do this you use hollow tube steel bearing walls, and curved sheet steel (corrugated) under floors. To do this you eliminate as much concrete from the structure as you can and replace it with steel. Lightweight construction means economy. It means building more with less. If you reduce the structure’s mass you can build cheaper and builder higher. Unfortunately unprotected steel warps, melts, sags and collapses when heated to normal fire temperatures about 1100 to 1200 degrees F.
The fire service believes there is a direct relation of fire resistance to mass of structure. The more mass the more fire resistance. The best fire resistive building in America is a concrete structure. The structures that limit and confine fires best, and suffer fewer collapses are reinforced concrete pre WWII buildings such as housing projects and older high rise buildings like the empire state building, The more concrete, the more fire resistance; and the more concrete the less probability of total collapse. The evolution of high- rise construction can be seen, by comparing the empire state building to the WTC. My estimate is the ratio of concrete to steel in the empire state building is 60/40. The ratio of concrete to steel in the WTC is 40/60. The tallest building in the world, the Petronas Towers, in Kula Lumpur, Malaysia, is more like the concrete to steel ratio of the empire state building than concrete to steel ratio of the WTC. Donald Trump in New York City has constructed the tallest reinforced concrete high-rise residence building.
.
Since the end of WWII builders designed most of the concrete from the modern high-rise constriction. First concrete they eliminated was the stone exterior wall. They replace them with the “curtain walls of glass, sheet steel, or plastics. This curtain wall acted as a lightweight skin to enclose the structure from the outside elements. Next the 8-inch thick concrete floors went. They were replaced with a combination of 2 or 3 inches of concrete on top of thin corrugated steel sheets. Next the masonry enclosure for stairs and elevators were replaced with several layers of sheet rock. Then the masonry smoke proof tower was eliminated in the 1968 building code. It contained too much concrete weight and took up valuable floor space. Then the solid steel beam was replace by the steel truss. And finally the concrete and brick encasement of steel columns girders and floor supports was eliminated. A lightweight spray-on coating of asbestos or mineral fiber was sprayed over the steel. This coating provided fireproofing. After asbestos was discovered hazardous vermiculite or volcanic rock ash substance was used as a spray-on coating for steel. Outside of the foundation walls and a thin 2 or 3 inches of floors surface, concrete has almost been eliminated from high-rise office building construction. If you look at the WTC rubble at ground zero you see very little concrete and lots of twisted steel.
The building is being promoted as the safest skyscraper in the U.S. According to Silverstein Properties, the owner of the building, it "will incorporate a host of life-safety enhancements that will become the prototype for new high-rise construction". The building has 2 ft (60 cm) thick reinforced-concrete and fireproofed elevator and stairway access shafts. The original building used only drywall to line these shafts.[72] The stairways are wider than in the original building to permit faster egress.
Originally posted by Game_Over
-- Then several posts later you counter our rock solid logic regarding your magic fuel theory with the following statement...
"Fuel obviously went into various elevators due to the various blow-outs, though a couple elevators were serviceable by firefighters."
-- So for our info we couldn't use such a definitive term as "obviously", yet you use it yourself.