Birdwatch Note Rating
2023-07-17 20:52:55 UTC - NOT_HELPFUL
Rated by Participant: 194E867853A4B137AE6EE96625240BD2E63590EA8AAE8784096120FB68AE9805
Participant Details
Original Note:
Steel loses its structural strength long before it melts. For the WTC to collapse, the beams did not have to melt, as it was enough that they lost their structural strength due to high temperature. https://www.researchgate.net/figure/Reduction-of-yield-strength-with-temperature-for-different-steel-grades_fig3_281580209
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