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On September 11, 2001, at 5:20 PM, the 47-story World Trade Center Building 7 collapsed into its footprint, falling more than 100 feet at the rate of gravity for 2.5 seconds of its seven-second destruction.
Despite calls for the evidence to be preserved, New York City officials had the building’s debris removed and destroyed in the ensuing weeks and months, preventing a proper forensic investigation from ever taking place. Seven years later, federal investigators concluded that WTC 7 was the first steel-framed high-rise ever to have collapsed solely as a result of normal office fires.
Today, we at Architects & Engineers for 9/11 Truth are pleased to partner with the University of Alaska Fairbanks (UAF) in releasing the draft report of a four-year computer modeling study of WTC 7’s collapse conducted by researchers in the university’s Department of Civil and Environmental Engineering. The UAF WTC 7 report concludes that the collapse of WTC 7 on 9/11 was caused not by fire but rather by the near-simultaneous failure of every column in the building.
Download the Report | Read the Abstract
Project Information
Lead Researcher
Dr. J. Leroy Hulsey
Professor of Civil Engineering, University of Alaska Fairbanks
Research Assistants
Dr. Feng Xiao
Associate Professor, Nanjing University of Science and Technology
Dr. Zhili Quan
Bridge Engineer, South Carolina Department of Transportation
Project Dates
May 1, 2015 – December 31, 2019
Funding
$316,153 (provided by Architects & Engineers for 9/11 Truth)
