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Abstract:The objective of this study is to re-evaluate the adoption, with the objective of potentially extending the utilization of Fy = 50 ksi for
the structural capacity of steel H-piles (AISC HP sections) for bridge foundations. Specific consideration is given to the current
capacity equations, Pn = 0.66AsFy and Pr = 0.33AsFy, with the objective of their confirmation or revision; potentially permitting fewer
piles for a foundation and an associated cost savings. The impacts of any revisions, particularly upon foundation settlement, are
evaluated and recommendations for the revision of DM-4 (as amended by SOL 483-14-04) are provided.
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