Review of the Design of Driven Piles Penetrating Weak Rock for Offshore Applications
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A growing number of civil engineering projects are utilizing steel piles driven into rock where a significant portion of the pile capacity is derived from the shaft resistance.

Despite the growing number of projects utilizing the technology, little to no guidance is offered in the literature as to how the shaft resistance is to be calculated for such piles. A database has been compiled for driven piles that penetrate rock. The database consists of 42 pile load tests of which a majority are steel H-piles. The objective of this paper is to present the state of practice for estimating the shaft resistance of driven piles that penetrate rock in the context of the developed database. Pile capacities calculated using the state of practice are then compared to load test data from two well-documented case studies.

Publication Summary

  • Geosyntec Authors: John Barrett
  • All Authors: John Barrett, Geosyntec Consultants; Luke Prendergast, University of Nottingham
  • Title: The Deep Foundations Institute (DFI)
  • Event or Publication: Publication
  • Practice Areas: Civil Site Engineering and Design
  • Citation: John Barrett, P.E.; (Tennessee); Logan Brant, Ph.D., P.E.; Rodolfo Sancio, Ph.D., P.E., D.GE; and Ali Ebrahimi, P.E. (Texas) coauthored multiple papers for publication by the Deep Foundations Institute (DFI) for the 2021 International Symposium on Frontiers in Offshore Geotechnics.
  • Date: 2021
  • Publication Type: Journal Article