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originally posted by: democracydemo
a reply to: democracydemo
No link for witness provided, just another one of your false claims again.
originally posted by: democracydemo
a reply to: neutronflux
You started this so game on! Now how do you fit Fitterman Hall damage as proof for WTC 7 not falling symmetrically, how did you get to this deduction?
9/11 and BMCC
www.bmcc.cuny.edu...
Remembrance and Resilience
Borough of Manhattan Community College (BMCC) is the only college in United States history to have lost a campus building to a terrorist attack. Fiterman Hall was donated to BMCC by in 1993 by Miles and Shirley Fiterman, and provided about a third of the College’s classroom space. On the morning of 9/11, BMCC faculty and staff in Fiterman Hall — just a few blocks from the Towers — heard the explosions and helped people into ambulances who were injured from falling debris.
In the hours that followed, BMCC helped the Port Authority of New York create a triage in the gym at the College’s main campus building at 199 Chambers Street, using first aid kits and other supplies from the BMCC Nursing Department. Generators were also set up and 199 Chambers Street became the Command Center for the New York Port Authority.
Then at 5:20 on the afternoon of 9/11, World Trade 7, across the street from Fiterman Hall, collapsed and fell against it. More than seven stories of debris piled against a corner of the building and it became uninhabitable. BMCC Building and Grounds workers, safety staff, administrators and volunteers gathered their efforts at 199 Chambers Street, where they stayed more than two weeks, working around the clock and sleeping on cots.
Post by Oystein
www.metabunk.org...
Sept 3, 2019 release of Hulsey's WTC7 draft report: Analysis
www.metabunk.org...-233708
Post 29
It’s like the core fell first, gutted WTC 7, and then at least one side of the facade, side of the building, then fell on top of the already collapsed core.
4.6 Results of Core Column/Exterior Column Failure Analysis
Finding that NIST’s scenario of horizontal progressive core column collapse was not feasible,and would not result in the observed straight-down collapse, we then simulated the simultaneous failure of all core columns over 8 stories followed 1.3 seconds later by the simultaneous failure of all exterior columns over 8 stories.
The failure of column 79 and its supported floor area leaves column 80 unbraced and its buckling then causes the kink observed in the penthouse as seen in the collapse videos.
www.researchgate.net...
www.structuremag.org...
This
“ Finding that NIST’s scenario of horizontal progressive core column collapse was not feasible,and would not result in the observed straight-down collapse,”
Based on this analysis, we found that the simultaneous failure of all core columns followed by the simultaneous failure of all exterior columns produces almost exactly the behavior observed in videos of the collapse. The computer time history model accounted for mass and acceleration during collapse in which an acceleration time dependent function accounted for impact resistance over time.