Quote:
Originally Posted by David
Interesting. He thinks the root cause was the pool deck failure in front of the building columns that appeared to fail first in the building collapse. If true, it really makes you think about how something that's not holding up the building per se could still cause a catastrophic failure of the building.
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Well, when you load structural members in a direction in which they were never supposed to be loaded, bad things can happen. Columns are designed to take longitudinal (vertical) forces, when you push one sideways hard enough, bad things can happen.
The biggest problem this place had was the water migration into the slab for the upper parking deck at the ground level, differential settlement may have also played a role. They waited far too long to address the problems in that slab.