Birdwatch Archive

Birdwatch Note Rating

2023-07-18 22:06:24 UTC - HELPFUL

Rated by Participant: CD66B095CD1C8DF895836C585DF8B5084C73465C935B75A930524B60BFCD0EBA
Participant Details

Original Note:

Steel structure doesn’t need to reach melting temperature to fail. The crash and resulting fire weakened the floors and columns with dislodged fireproofing to the point where floors sagged and pulled inward on the perimeter columns. https://www.nist.gov/world-trade-center-investigation/study-faqs/wtc-towers-investigation

All Note Details

Original Tweet

All Information

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  • helpfulnessLevel - HELPFUL
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