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WTC 7 collapse
Tweet Topic Started: Feb 17 2009, 07:19 PM (107 Views)
HoosierLars Feb 17 2009, 07:19 PM Post #1
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http://en.wikipedia.org/wiki/7_World_Trade_Center

In its progress report, NIST released a video and still-photo analysis of 7 World Trade Center before its collapse that appears to indicate a greater degree of structural damage from falling debris than originally assumed by FEMA. Specifically, NIST's interim report on 7 World Trade Center displays photographs of the southwest façade of the building that show it to have significant damage. The report also highlights a 10-story gash in the center of the south façade, toward the bottom, extending approximately a quarter of the way into the interior.[40][3] A unique aspect of the design of 7 World Trade Center was that each outer structural column was responsible for supporting 2,000 sq ft (186 m²) of floor space, suggesting that the simultaneous removal of a number of columns severely compromised the structure's integrity.[41] Consistent with this theory, news footage shows cracking and bowing of the building's east wall immediately before the collapse, which began at the penthouse floors.[3] In video of the collapse, taken from the north by CBS News and other news media, the first visible sign of collapse is movement in the east penthouse 8.2 seconds before the north wall began to collapse, which took at least another 7 seconds.[3][42]

The working hypothesis, released in the June 2004 progress report and reiterated in a June 2007 status update, was that an initial failure in a critical column occurred below the 13th floor, caused by damage from fire and/or debris from the collapse of the two main towers. The collapse progressed vertically up to the east mechanical penthouse. The interior structure was unable to handle the redistributed load, resulting in horizontal progression of the failure across lower floors, particularly the 5th to 7th floors. This resulted in "a disproportionate collapse of the entire structure."[39][43][3]

On August 21, 2008, NIST released its draft report on the causes of the collapse of 7 World Trade Center, beginning a period for public comments.[32] In its investigation, NIST utilized ANSYS to model events leading up to collapse initiation and LS-DYNA models to simulate the global response to the initiating events.[44] NIST determined that diesel fuel did not play an important role, nor did the structural damage from the collapse of the twin towers. But the lack of water to fight the fire was an important factor. The fires burned out of control during the afternoon, including on floor 13, where a critical interior column buckled. With the buckling of that column, adjacent columns also failed along with the floor structure above. This triggered a vertical progression of floor failures to the roof. The collapse then progressed east-to-west across the structure, and ultimately the entire structure collapsed. The fires, fueled by office contents, along with the lack of water, were the key reasons for the collapse.[45]
Edited by HoosierLars, Feb 17 2009, 07:22 PM.
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troubleatiu Feb 17 2009, 07:29 PM Post #2
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HoosierLars
Feb 17 2009, 07:19 PM
http://en.wikipedia.org/wiki/7_World_Trade_Center

In its progress report, NIST released a video and still-photo analysis of 7 World Trade Center before its collapse that appears to indicate a greater degree of structural damage from falling debris than originally assumed by FEMA. Specifically, NIST's interim report on 7 World Trade Center displays photographs of the southwest façade of the building that show it to have significant damage. The report also highlights a 10-story gash in the center of the south façade, toward the bottom, extending approximately a quarter of the way into the interior.[40][3] A unique aspect of the design of 7 World Trade Center was that each outer structural column was responsible for supporting 2,000 sq ft (186 m²) of floor space, suggesting that the simultaneous removal of a number of columns severely compromised the structure's integrity.[41] Consistent with this theory, news footage shows cracking and bowing of the building's east wall immediately before the collapse, which began at the penthouse floors.[3] In video of the collapse, taken from the north by CBS News and other news media, the first visible sign of collapse is movement in the east penthouse 8.2 seconds before the north wall began to collapse, which took at least another 7 seconds.[3][42]

The working hypothesis, released in the June 2004 progress report and reiterated in a June 2007 status update, was that an initial failure in a critical column occurred below the 13th floor, caused by damage from fire and/or debris from the collapse of the two main towers. The collapse progressed vertically up to the east mechanical penthouse. The interior structure was unable to handle the redistributed load, resulting in horizontal progression of the failure across lower floors, particularly the 5th to 7th floors. This resulted in "a disproportionate collapse of the entire structure."[39][43][3]

On August 21, 2008, NIST released its draft report on the causes of the collapse of 7 World Trade Center, beginning a period for public comments.[32] In its investigation, NIST utilized ANSYS to model events leading up to collapse initiation and LS-DYNA models to simulate the global response to the initiating events.[44] NIST determined that diesel fuel did not play an important role, nor did the structural damage from the collapse of the twin towers. But the lack of water to fight the fire was an important factor. The fires burned out of control during the afternoon, including on floor 13, where a critical interior column buckled. With the buckling of that column, adjacent columns also failed along with the floor structure above. This triggered a vertical progression of floor failures to the roof. The collapse then progressed east-to-west across the structure, and ultimately the entire structure collapsed. The fires, fueled by office contents, along with the lack of water, were the key reasons for the collapse.[45]
ill refute in the morning. im too drunk now. i saw NIST (government aided agency) and wikipedia and realized you are only throwing the "official version" at me. ill finish in the morning. seriously, ill read your entire post then, and respond accordingly.
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"What luck for rulers that men do not think."- Adolph Hitler
"Terrorists don't want your freedoms--they want your life. It's dictators and tyrants who want your freedoms."-author unidentified
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sirbrianwilson Feb 17 2009, 07:32 PM Post #3
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oh god, here we go.

enter: crazies.

br
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troubleatiu Feb 17 2009, 07:54 PM Post #4
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sirbrianwilson
Feb 17 2009, 07:32 PM
oh god, here we go.

enter: crazies.

br
i may be drunk, but i can still type FUCK YOU. problem is i like your dumbass. anyway, FUCK YOU (i know, real original), ill get back in the morning...not like i have a job...lars...i may never re-enter the work force. just to make you pay for my existence.
Posted Image
"The illegal we do immediately. The unconstitutional takes a little longer."--Henry Kissinger
"What luck for rulers that men do not think."- Adolph Hitler
"Terrorists don't want your freedoms--they want your life. It's dictators and tyrants who want your freedoms."-author unidentified
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sirbrianwilson Feb 17 2009, 07:58 PM Post #5
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troubleatiu
Feb 17 2009, 07:54 PM
sirbrianwilson
Feb 17 2009, 07:32 PM
oh god, here we go.

enter: crazies.

br
i may be drunk, but i can still type FUCK YOU. problem is i like your dumbass. anyway, FUCK YOU (i know, real original), ill get back in the morning...not like i have a job...lars...i may never re-enter the work force. just to make you pay for my existence.
lmao. best response ever.

no offense taken, trouble.

br
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troubleatiu Feb 17 2009, 08:05 PM Post #6
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sirbrianwilson
Feb 17 2009, 07:58 PM
troubleatiu
Feb 17 2009, 07:54 PM
sirbrianwilson
Feb 17 2009, 07:32 PM
oh god, here we go.

enter: crazies.

br
i may be drunk, but i can still type FUCK YOU. problem is i like your dumbass. anyway, FUCK YOU (i know, real original), ill get back in the morning...not like i have a job...lars...i may never re-enter the work force. just to make you pay for my existence.
lmao. best response ever.

no offense taken, trouble.

br
if it worked once, itll work again:
i may be drunk, but i can still type FUCK YOU. problem is i like your dumbass. anyway, FUCK YOU (i know, real original), ill get back in the morning...not like i have a job...lars...i may never re-enter the work force. just to make you pay for my existence.
*addendum*- fuck you brian, FUCK YOU lars. fuck, fuck, fuck...wow, even i realize i need to stop. FUCK EVERYBODY, well...except those of you who generally agree with me.
Posted Image
"The illegal we do immediately. The unconstitutional takes a little longer."--Henry Kissinger
"What luck for rulers that men do not think."- Adolph Hitler
"Terrorists don't want your freedoms--they want your life. It's dictators and tyrants who want your freedoms."-author unidentified
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yawnzzz Feb 17 2009, 09:07 PM Post #7
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troubleatiu
Feb 17 2009, 08:05 PM
sirbrianwilson
Feb 17 2009, 07:58 PM
troubleatiu
Feb 17 2009, 07:54 PM
sirbrianwilson
Feb 17 2009, 07:32 PM
oh god, here we go.

enter: crazies.

br
i may be drunk, but i can still type FUCK YOU. problem is i like your dumbass. anyway, FUCK YOU (i know, real original), ill get back in the morning...not like i have a job...lars...i may never re-enter the work force. just to make you pay for my existence.
lmao. best response ever.

no offense taken, trouble.

br
if it worked once, itll work again:
i may be drunk, but i can still type FUCK YOU. problem is i like your dumbass. anyway, FUCK YOU (i know, real original), ill get back in the morning...not like i have a job...lars...i may never re-enter the work force. just to make you pay for my existence.
*addendum*- fuck you brian, FUCK YOU lars. fuck, fuck, fuck...wow, even i realize i need to stop. FUCK EVERYBODY, well...except those of you who generally agree with me.
Fuck you too you bloody bastard.
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troubleatiu Feb 17 2009, 10:32 PM Post #8
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Hoosier_Faithful_07
Feb 17 2009, 09:07 PM
troubleatiu
Feb 17 2009, 08:05 PM
sirbrianwilson
Feb 17 2009, 07:58 PM
troubleatiu
Feb 17 2009, 07:54 PM
sirbrianwilson
Feb 17 2009, 07:32 PM
oh god, here we go.

enter: crazies.

br
i may be drunk, but i can still type FUCK YOU. problem is i like your dumbass. anyway, FUCK YOU (i know, real original), ill get back in the morning...not like i have a job...lars...i may never re-enter the work force. just to make you pay for my existence.
lmao. best response ever.

no offense taken, trouble.

br
if it worked once, itll work again:
i may be drunk, but i can still type FUCK YOU. problem is i like your dumbass. anyway, FUCK YOU (i know, real original), ill get back in the morning...not like i have a job...lars...i may never re-enter the work force. just to make you pay for my existence.
*addendum*- fuck you brian, FUCK YOU lars. fuck, fuck, fuck...wow, even i realize i need to stop. FUCK EVERYBODY, well...except those of you who generally agree with me.
Fuck you too you bloody bastard.
and i thought our discussion was civil. fuck you and your CJ classes you took (and either learned nothing, or were brainwashed). lars, youre an idiot, and the rest of you can....settle down...im over this....can...overcome...trying to be....nice....
i will read his idiotic post in the morning, and comment there after.
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"The illegal we do immediately. The unconstitutional takes a little longer."--Henry Kissinger
"What luck for rulers that men do not think."- Adolph Hitler
"Terrorists don't want your freedoms--they want your life. It's dictators and tyrants who want your freedoms."-author unidentified
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yawnzzz Feb 17 2009, 11:16 PM Post #9
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troubleatiu
Feb 17 2009, 10:32 PM
and i thought our discussion was civil. fuck you and your CJ classes you took (and either learned nothing, or were brainwashed). lars, youre an idiot, and the rest of you can....settle down...im over this....can...overcome...trying to be....nice....
i will read his idiotic post in the morning, and comment there after.
That's a BA in Criminal Justice. :chug:

At one point I had jobs with the CIA and FBI lined-up.... then I got high and decided I didn't want to work for the government. :cheers:
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troubleatiu Feb 17 2009, 11:25 PM Post #10
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Hoosier_Faithful_07
Feb 17 2009, 11:16 PM
troubleatiu
Feb 17 2009, 10:32 PM
and i thought our discussion was civil. fuck you and your CJ classes you took (and either learned nothing, or were brainwashed). lars, youre an idiot, and the rest of you can....settle down...im over this....can...overcome...trying to be....nice....
i will read his idiotic post in the morning, and comment there after.
That's a BA in Criminal Justice. :chug:

At one point I had jobs with the CIA and FBI lined-up.... then I got high and decided I didn't want to work for the government. :cheers:
thats good. we can argue all we want here. i wont have to shoot you coming through my door or window.
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"The illegal we do immediately. The unconstitutional takes a little longer."--Henry Kissinger
"What luck for rulers that men do not think."- Adolph Hitler
"Terrorists don't want your freedoms--they want your life. It's dictators and tyrants who want your freedoms."-author unidentified
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troubleatiu Feb 17 2009, 11:30 PM Post #11
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"That's a BA in Criminal Justice."-faithful

so the so called "dumbing down of america" is NOT a conspiracy? i mean, youre living proof of the "proof", right?
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"The illegal we do immediately. The unconstitutional takes a little longer."--Henry Kissinger
"What luck for rulers that men do not think."- Adolph Hitler
"Terrorists don't want your freedoms--they want your life. It's dictators and tyrants who want your freedoms."-author unidentified
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thePhilosopher Feb 18 2009, 11:34 AM Post #12
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NIST: NIST determined that diesel fuel did not play an important role, nor did the structural damage from the collapse of the twin towers. But the lack of water to fight the fire was an important factor.

Ok, so diesel fuel is out, as is the twin towers collapse. For the record, these are the two culprits that I have always heard in terms of trying to explain WTC 7, and I thought perhaps someone could use this to make a convincing case. Now, even NIST is dismissing this.

But they want to say that the FIRE was the important factor? These are steel structures we're talking about here. Just the other week we saw a building in China turn into a towering inferno, though it did not collapse. Admittedly, the firefighting response in the China CCTV building could have been stronger than the response to WTC 7, but Ground Zero was crawling with emergency personnel. What do you think, Lars? And you said that a column buckling in this way could make it appear to be a collapse, right? So you can at least see why this is a questionable event.

To Bri: Because someone asks questions about an event does not make them crazy. Go back and look at the WTC 7 footage, with the knowledge that the building was not hit by a plane, it was not effected by the collapse of WTC 1 and 2, and it was not effected by diesel fuel. I thought you were a skeptic, after all, but you seem to be fine with the official story, which deserves skepticism.
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IUCOLTFAN Feb 18 2009, 03:37 PM Post #13
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Feb 18 2009, 11:34 AM
NIST: NIST determined that diesel fuel did not play an important role, nor did the structural damage from the collapse of the twin towers. But the lack of water to fight the fire was an important factor.

Ok, so diesel fuel is out, as is the twin towers collapse. For the record, these are the two culprits that I have always heard in terms of trying to explain WTC 7, and I thought perhaps someone could use this to make a convincing case. Now, even NIST is dismissing this.

But they want to say that the FIRE was the important factor? These are steel structures we're talking about here. Just the other week we saw a building in China turn into a towering inferno, though it did not collapse. Admittedly, the firefighting response in the China CCTV building could have been stronger than the response to WTC 7, but Ground Zero was crawling with emergency personnel. What do you think, Lars? And you said that a column buckling in this way could make it appear to be a collapse, right? So you can at least see why this is a questionable event.

To Bri: Because someone asks questions about an event does not make them crazy. Go back and look at the WTC 7 footage, with the knowledge that the building was not hit by a plane, it was not effected by the collapse of WTC 1 and 2, and it was not effected by diesel fuel. I thought you were a skeptic, after all, but you seem to be fine with the official story, which deserves skepticism.
All you get from Bri on this is.......*yawn*. Anything that requires any research or he feels is not a huge issue, he doesnt really care about (even if it involves his civil liberties - check the gun laws thread)..............
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