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Big Dig Boston ceiling collapse
boffintech ... either way, hanging masses of concrete from epoxy bolts significantly increases the danger in the event of fire. How is it that such risks were permitted, not withstanding the actual consequences?- steve75002
- Post #97
- Forum: Structural engineering general discussion
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Big Dig Boston ceiling collapse
Ron ... according to many different references in this thread and elsewhere, the heavy concrete slabs were necessary to withstand "the hurricane force winds" that would have passed over them in the event of a fire - anything less would have not have had sufficient rigidity and...- steve75002
- Post #95
- Forum: Structural engineering general discussion
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Big Dig Boston ceiling collapse
As I am not a structural engineer, perhaps I have missed something, but it appears to me that the choice of epoxy bolts was flawed for another more fundamental reason from the start: The purpose of the concrete slabs was to facilitate ventilation in the event of a fire. However, in the event of...- steve75002
- Post #91
- Forum: Structural engineering general discussion
