Reply To: Engineering Prof releases draft report on 9/11 collapse of WTC Bldg 7 in NYC


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#46887
ZigZag Wanderer
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“and builds fragile structures prone to catastrophic, runaway failure.” … If the standard of steel high rise is so fragile and prone to catastrophic runaway failure why has there been not a single example of such failure anywhere , ever?

These fragile structures you mention seem to be remarkably robust.