Birdwatch Note Rating
2023-07-18 10:48:26 UTC - NOT_HELPFUL
Rated by Participant: FA23BC567FA652B072293EC54F7A7F0EFF11654F2FC364AF29D9103C9B3CA234
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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