Quote:
Originally Posted by Sebae again
Simple. The concrete holds the steel together and the steel holds the concrete together. Engineering 101.
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No not in this case,check out the blue prints,the central core was built out of 47 steel columns.It was a free standing core,that the concrete floors attached to it.Even if the floors collapse,the core stays standing.Or in the event of a plane flying through it,the top could collapse or fall over.But there were still 80 some floors of both tower where the core was undamaged.Even the NIST report stated,the fires weren't hot enough to bring the core down.I'm not saying there was explosives used,but so far thats the only theory that takes everything into account.