Foundation Research


    Deep Foundations Institute (DFI) announced the availability of the most recent edition of the DFI Journal, a peer-reviewed publication of high-quality technical papers.

    Volume 11, Number 1 includes the following papers:

    • Numerical and Experimental Simulation of T-Walls Supported by Battered Piles within a Levee Embankment, J. B. Johnson, USACE; F. Vahedifard, Mississippi State University; P. Kokkali, Rensselaer Polytechnic Institute; A. F. Tessari, University at Buffalo; T. Abdoun, Rensselaer Polytechnic Institute; and R. J. Varuso, USACE Risk Management Center.
    • A Critical Review: State of Knowledge in Seismic Behavior of Helical Piles, Amy Cerato, University of Oklahoma; Tatiana Vargas, Carollo Engineering; Shawn Allred, University of Oklahoma.
    • Axial Load Transfer of Drilled Shaft Foundations with and without Steel Casing, Q. Li, Oregon State University; A. W. Stuedlein, Oregon State University;  and A. Marinucci, V2C Strategists LLC.
    • Effect of Nails Orientation and Length on Soil-Nailed Retaining Structures Stability, Alireza Askari, MS, Arash Gholami – Islamic Azad University.

    An online subscription to the DFI Journal is included with DFI membership. Members and nonmembers can order printed copies of the 2007-2013 volumes of the Journal from the publications page of; members at preferential rates. Subscriptions to the online journal are available at

    To contribute a manuscript, visit for information and instructions. The DFI Journal is an official journal of the Deep Foundations Institute, meaning research will be available to all international members. In addition, DFI Journal articles are abstracted and indexed in Scopus, so research will be available in one of the world’s most prestigious databases.

    Information provided by the Deep Foundations Institute (