DFI Ground Improvement Committee Publications Now Available 

May 12, 2014, Hawthorne N.J.: The Ground Improvement Committee of the Deep Foundations Institute (DFI) announces the availability a new wick drain specification and two papers published in the DFI Journal.

The DFI Wick Drain Guide Specification covers materials, installation and quality control and assurance for wick drain projects. It is available as an editable MS Word document to be tailored to specific project needs. The specification can be downloaded from the Ground Improvement Committee Page on the DFI website at

The Ground Improvement Committee has published two papers in the DFI Journal, Vol. 7, No. 1. The paper titled, Commentary on the Selection, Design and Specification of Ground Improvement for Mitigation of Earthquake-Induced Liquefaction offers a review of the fundamental mechanics and commentary on the applicability and limitations of several ground improvement mechanisms for liquefaction mitigation.

The paper, Liquefaction Mitigation Synthesis Report, was prepared for the Ground Improvement Committee by Timothy C. Siegel, P.E., D.GE, Dan Brown and Associates PC. The report presents the results of a synthesis on the design and analysis of ground improvement for liquefaction mitigation based on an industry survey.

DFI Members can access DFI Journal, Vol. 7, No. 1 online at no cost by signing-in to MyDFI at and selecting the Journal from the left-hand menu. 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 Journal are available from Maney Publishing at

About Deep Foundations Institute (DFI)
DFI ( is an international association of contractors, engineers, manufacturers, suppliers, academics and owners in the deep foundations industry. Our multidisciplinary membership creates a consensus voice and a common vision for continual improvement in the planning, design and construction of deep foundations and excavations. We bring together members for networking, education, communication and collaboration. With our members, we promote the advancement of the deep foundations industry through technical committees, educational programs and conferences, publications, research, government relations and outreach. DFI has more than 3,500 members worldwide.