Birdwatch Note Rating
2023-07-17 22:14:13 UTC - SOMEWHAT_HELPFUL
Rated by Participant: 42973F319821FEE2122B0ECC0FF76451874D6D9FDDC010D70FA7B31E9F8AEF54
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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