Dilbert1234567

Maybe you stopped reading my post, I corrected seaver, its 1.24xz10-5 per degree C, he misread the page, and like you did not grasp the thermal expansion of objects, it’s a common mistake; the result from the thermal expansion equation is delta L, not L. To get an expansion for steel of 24% is impossible; it would need to remain solid at a temperature of approximately, 20,000 C, that’s not possible at all. 6 inches on a 60 foot beam is easy, 0.833% can be done with a few hundred C, just because you don't understand it, does not mean it does not happen.

Glad we cleared that up, plenty of credible structural engineers have said it can collapse in the manner seen, and they have science to back it up, not baseless opinion.

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