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Re: Collision Load for Highway Bridges

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Stan, I really don't know what your point is.  Are you suggesting that that was the right thing to (not) do?  I recall a photo in ENR a few years ago showing a truck under a collapsed concrete overpass, having sheared off its supporting columns, which had no protection whatsoever.  Or the German high speed train in a similar situation, which resulted in many deaths.

I did a number of things 40 years ago that I would not want to repeat today.  :)

Ralph Hueston Kratz, S.E.
Richmond CA USA

In a message dated 11/18/08 10:47:31 PM, sscholl2(--nospam--at)juno.com writes:
I designed a lot of interstate highway bridges in Illinois 40 yrs. ago and we did not design any of them for impact loads from trucks hitting the piers or the superstructure.
Stan Scholl, P.E.



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