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Re: asd vs lrfd

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>I may be missing your point, but just for the record, AASHTO insists that
>it is making LRFD *the* design code for highway bridges, which of course
>means heavy involvement of all kinds of live loads.
I think the DOE is doing the same thing for some types of 
nuclear-realated structures. But I still don't see how it addresses 
fatigue. Or situations where elstic-plastic action doesn't determine 
service suitability. 

Christopher Wright P.E.    |"They couldn't hit an elephant from
chrisw(--nospam--at)        | this distance"   (last words of Gen.
___________________________| John Sedgwick, Spotsylvania 1864)