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Fatigue in concrete Rigid Connection

Fatigue in concrete Rigid Connection

Fatigue in concrete Rigid Connection

(OP)
Hey everyone, I need some help in understanding fatigue in concrete rigid connections due to high moment, and due to cyclic wind & EQ forces. Any links, pdf files, etc provided concerning this matter would be of much help.

Please check the attached image. I am particularly referring to fatigue @ bridge end connections.
This is the thread of the issue I have, posted a couple of days ago: http://www.eng-tips.com/viewthread.cfm?qid=333719

Awaiting your replies, thanksss !!!

RE: Fatigue in concrete Rigid Connection

ACI 215 had a lot of great info on fatigue design (for concrete and re-bar). If you don’t have that readily available, AASHTO’s bridge design manual has some recommendations as well (Sect. 5.5.3 has allowable stress ranges for re-bar for example).

ACI 215 sounds more appropriate for your situation though.


RE: Fatigue in concrete Rigid Connection

(OP)
Thank you WARose, the manuals you recommended are more than enough for me to make a practical decision.

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