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AISC - Fatigue Load and Slip Critical Connections

AISC - Fatigue Load and Slip Critical Connections

(OP)
Is there a definition for "Fatigue Load" in AISC or even a general definition?
My question stems from the requirement of a slip critical connection when the joint is "subject to fatigue load with reversal of the loading direction".
As an example: what if you had an overhang/cantilever beam which would have a reversible reaction at the far depending on the live load configuration. Does this qualify as a "fatigue load"?

Thanks!

EIT
www.HowToEngineer.com

RE: AISC - Fatigue Load and Slip Critical Connections

More than 20,000 cycles, tension loads/stresses only, moving loads only (does not include dead load, wind, or seismic)

RE: AISC - Fatigue Load and Slip Critical Connections

(OP)
Thanks for the response MotorCity. I thought I had read that before, but I couldn't seem to find it. Do you know if there is a document with this criteria in it?

EIT
www.HowToEngineer.com

RE: AISC - Fatigue Load and Slip Critical Connections

2

Quote (RFreund)

Do you know if there is a document with this criteria in it?

RCSC's 'Specification for Structural Joints Using High-Strength Bolts' Link has this:

RE: AISC - Fatigue Load and Slip Critical Connections

It's also noted in Appendix 3 of the Specification. (I"m looking at the 13 ed.) There's some more info in there that might be applicable to you with regard to live load threshold stress range.

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