Report: Design not at fault in World Trade Center collapse

10/22/2004 | Engineering News-Record

An interim report by the National Institute of Standards & Technology found the design of the World Trade Center towers was not at fault in their collapse after airliners crashed into them. The NIST report said debris from the impact stripped some of the towers' structural steel of its fireproofing, meaning the steel was weakened more by the resulting fires, leading to the collapse.

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