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Reply #45: Not quite a miracle... [View All]

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Carefulplease Donating Member (749 posts) Send PM | Profile | Ignore Mon Sep-18-06 12:59 PM
Response to Reply #38
45. Not quite a miracle...
The failure of the columns is progressive but when the overall demand (the total loads) come to exceed the overall capacity of the columns then the failure of the remaining intact columns would occur in very quick sequence. There is no other way for them to occur. The damage from the impacting aircrafts from the ensuing fires account for the conditions that lead to collapse initiation. However, collapse continuation and its rate are the issues being discussed in this thread. You ought to grant the possibility of collapse initiation for the purpose of discussion. Otherwise the whole issues being discussed here would become moot.
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