Saturday, August 04, 2007

I-35 II.

Michael O'Hare, here, has the most interesting discussion of the engineering issues implicated by the bridge collapse that I've seen yet (although it's not like I've spent hours looking -- if there are other good ones, I'd appreciate a tip in the comments). Among many other things, he says:
I will make the conjecture that the bridge deck was calculated as a composite top chord of the trusses and failed in tension over the supports. If this is true, the deck repair may well have been a contributing cause of the failure.

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