2Fisher J W, Frank K H, Hirt M A, et al. Effect of Weldments on the Fatigue Strength of Steel Beams[R]. NCHRP Report 102. Washington DC: Highway Research Board, National Academy of Sciences, 1970.
3Fisher J W, Albreicht P A, Yen B T, et al. Fatigue Strength of Steel Beams with Welded Stiffeners and Attachments[R]. NCHRP Report 147. 1974,ibid.