The NIST report found no evidence supporting conspiracy theories that 7 World Trade Center was brought down by controlled demolition. Specifically, the window breakage pattern and blast sounds that would have resulted from the use of explosives were not observed. The suggestion that an incendiary material such as thermite was used instead of explosives was considered unlikely by NIST because of observations of the fire and the building's structural response to the fire, and because it is unlikely the necessary quantity of material could have been planted without discovery.You see? All very simple and all the truther bullshit does not support the facts.In November 2008, NIST released its final report on the causes of the collapse of 7 World Trade Center.[13] This followed NIST's August 21, 2008, draft report which included a period for public comments. 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. NIST determined that diesel fuel did not play an important role, nor did the structural damage from the collapse of the Twin Towers, nor did the transfer elements (trusses, girders, and cantilever overhangs). But the lack of water to fight the fire was an important factor. The fires burned out of control during the afternoon, causing floor beams near column 79 to expand and push a key girder off its seat, triggering the floors to fail around column 79 on Floors 8 to 14. With a loss of lateral support across nine floors, column 79 buckled – pulling the east penthouse and nearby columns down with it. With the buckling of these critical columns, the collapse then progressed east-to-west across the core, ultimately overloading the perimeter support, which buckled between Floors 7 and 17, causing the remaining portion of the building above to fall downward as a single unit. The fires, fueled by office contents, along with the lack of water, were the key reasons for the collapse.
The notion of a load of sinister agents running around Manhattan sticking thermite everywhere without being spotted is a hysterical claim, except to the feeble minded conspiracy theorists who cling desperately to the fairy stories some mental patient dreamed up.
Unless, of course, the NIST is actually a shadow government spook organisation now as well.
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