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Originally posted by samkent
reply to post by JAY1980
All buildings are designed to withstand aircraft impacts... The WTC was built to handle multiple impacts.
Nowhere was WTC claimed to be able to withstand multiple impacts. NOWHERE
Originally posted by samkent
reply to post by JibbyJedi
or to destabilize the 70+ floors below that was designed to hold all that weight plus a lot more.
No they weren't.
The floors below used the same trusses as the top floor.
If the weight on floor 100 exceeded the capacity of the trusses they would fail and the combined weight would fall to the 99th floor. The 99th would then fail. And so on.edit on 30-4-2012 by samkent because: (no reason given)
It was amazing - just amazing - how fast he got his insurance money. It was like it was prearranged.
Lets not forget the group (most of you know this story ) of foreign men taking a video of the jets coming in for the hit and cheering at the damage. They were also driving a van with a picture of the WTC being hit by planes painted on the side of the van.
You cannot make this stuff up.
Must have been alot of tires under that building, or was it NAPALM that caused it to continue burning at hotter temps than most ANY fire for months after, while being COMPLETELY under water due to the fact that the NYFD had poured water continously on it for SIX MONTHS!!
Nope no napalm just debris. And it didn't burn for six months either.
Sharjah, April 28 (IANS/WAM) A 40-storey residential building in Sharjah in the United Arab Emirates (UAE) Saturday caught fire, but there were no casualties. Civil defence personnel managed to contain the fire that broke out in Nahda area around 2 a.m. No one was injured in the blaze but residents were evacuated to a nearby park. However, at least 45 cars were damaged. Firefighters battled for three hours to control the flames. Forensic investigators later began a probe to determine the cause of the fire.
Originally posted by thedman
reply to post by JAY1980
First buildings are not designed, except for a few special cases with aircraft impacts in mind
What was done at WTC was an engineer did a calculation of the lateral forces a 707 jet (then the largest and
most common jet in service) would exert on the building if it hit
Object was to see if jet airline crash would topple the building - determined that the jet would exert a force
of some 13 million foot/lbs on the building. Figured it would take a force of 17 million foot/lbs to actually topple
one of the towers. Thus towers would survive with a 40 % margin of safety
They did take the hit and survivve - what the engineers failto do was consider whole other range of effects
That impact would strip fire prrofing off the steel. That the elevators would be destroyed preventing fir fighter
from reaching the impact floors That the water supplies would be knocked off by the impact preventing
sprinklers from functioning and allowing fires to spread.
No fire fighting was done at the 3 WTC buildings which collapsed - WTC 1 & 2 firefighters were unable to reach
the fires due to destruction of elevators
At WTC 7 building was abandoned and let burn because of structural damage and lack of water to fight fires
As for this example - people seem to have problem with reading comprehension
Sharjah, April 28 (IANS/WAM) A 40-storey residential building in Sharjah in the United Arab Emirates (UAE) Saturday caught fire, but there were no casualties. Civil defence personnel managed to contain the fire that broke out in Nahda area around 2 a.m. No one was injured in the blaze but residents were evacuated to a nearby park. However, at least 45 cars were damaged. Firefighters battled for three hours to control the flames. Forensic investigators later began a probe to determine the cause of the fire.
Operative phrase - "Civil defense personnel managed to contain the fire that broke out" ....
Enuf said - fire was contained and extinguished,,,,,,,
reply to post by vipertech0596
I'm sorry....what kind of airplane flew into it? Or which taller building collapsed into it? None you say? Just another bad analogy
Originally posted by vipertech0596
I'm sorry....what kind of airplane flew into it? Or which taller building collapsed into it? None you say? Just another bad analogy
Originally posted by Morg234
reply to post by vipertech0596
I'm sorry....what kind of airplane flew into it? Or which taller building collapsed into it? None you say? Just another bad analogy
Neither happened to WTC7.