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[–] [deleted] 5 points 12 points (+17|-5) ago 



[–] individualin1984 2 points 14 points (+16|-2) ago 

Let me preface this with the statement that I do not want to argue any particular side on this, because I see issues from both sides in the complete stories being told. That being said the whole steel beam discussion is not one of the issues with the discussion. Unless they were built with the same construction methods, you are comparing two different things. The flaw that caused the failure (according to the official description) was with how each floor attached to the outer structure. The relatively small amount of metal that held up the floors was much more sensitive to loss of rigidity at this connection point. If the apartment building did not have this same floor attachment mechanism then it is not a valid comparison. Now if you want to somehow fly a drone into the structure and show that there is zero warpage in every single steel beam in that entire structure, then you may have the start of an argument. Unfortunately we have several examples where fires under bridges have warped steel.

[–] [deleted] 5 points 5 points (+10|-5) ago