Hello,
Is it possible to change the category in which the program evaluates load induced fatigue at the cross-braces (LRFD T6.6.1.2.3-1)? I see in the fatigue reports that the program is currently evaluating fatigue at the braces under C' for both welded and bolted elements. Can I change that to any other category (i.e., E')?
Thanks!
Cross frames are required to maintain stability in curved girder structures. AASHTO 7th Edition, 2016 Interims changed the fatigue category for fillet.
WestPennPower