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Towers built to withstand jet impact
The World Trade Center towers survived 1993 bomb attack but fell after a Tuesday jet strike. Structural engineer Les Robertson had said the towers were designed for a 707 impact, a claim echoed by Joseph Burns. The piece notes the towers’ tube-like perimeter columns and compares to Chicago’s Aon Center, while recounting the 1945 Empire State Building crash and casualties.
MENTIONED IN THIS ARTICLE
Curiaco
World Trade Center
Les Robertson
Frankfurt
Germany
Joseph Burns
Chicago
Thornton-Thomasetti Engineers
Burns
Robertson
Petronas
Malaysia
One World Trade Center
New York
United States
Aon Center
Amoco
New York City
Empire State Building
Manhattan