Birdwatch Note Rating
2023-09-05 00:44:19 UTC - NOT_HELPFUL
Rated by Participant: 74ED06467A2FE2417A595222645D01DBE456835D6C9DD9740C1F1951F8A83951
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Original Note:
Jet fuel burns at a temperature of 800 to 2500 degrees F. https://firesafetysupport.com/what-temperature-does-jet-fuel-burn/ Structural steel loses 60% of its strength at temperatures above 1000 degrees F. https://www.engineeringtoolbox.com/metal-temperature-strength-d_1353.html As the building's weight is constant, the same load is supported by less load carrying capacity, leading to failure.
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