Birdwatch Note Rating
2023-09-04 22:47:44 UTC - HELPFUL
Rated by Participant: F0A6181D569E40B316F6FADF2EDE08F959B1078F26D3C0B76D43A1C7C5C5CB26
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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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