In the BIRM. Ref. BIRM pg 10.2.7
Floor Beams: A floorbeam may be fracture critical if it satisfies one or more of the following. Some states consider any floor beam to be fracture critical even if none of the following criteria are met. So, most FB are considered FC unless FE model proves...
I am currently categorizing Fatigue Prone Details (FPD) on older rivited truss. After not seeing anything AASHTO LRFD 2012 Tbl. 6.6.1.2.3-1 addressing rivited connections.
I may have missed something. Description 2.3 is the closest thing I can find.
I had concluded, based other reading in the...