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User Name Thread Name Subject Posted
Royston BS: Firefighters for 9/11 Truth: Press Conference (311* d) RE: BS: Firefighters for 9/11 Truth: Press Conference 08 Mar 10


CarolC

A note about concrete construction. You can pour a concrete form really, really quickly. If a concrete core structure was even remotely capable of standing unsupported, then civil engineers would pour the full 400 or more metres of concrete in one fell swoop, clear the concrete plant and contractors off site for a fraction of the cost and then let the steelworkers catch up at leisure.

But it doesn't work that way. The core can't stand without the outer structure and the outer structure can't stand without the core. In super-tall buildings, the outer structure is the principal load bearing element.


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