Posted Sep 22, 2017, 3:14 PM
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Join Date: Dec 2008
Posts: 714
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^That could warrant a whole paragraph of response. The short is no they're not built in the same way. Virtually all large office buildings now are built with dense cores (Usually concrete, sometimes steel or both) and column exteriors. WTC did not have beams connecting these systems, but lightweight trusses. This is the critical difference.
30 HY uses a steel core because the building sits directly on top of train tracks.
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