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Registration open for DFI’s S3: Slopes, Support and Stabilization

News | April 19, 2024 | By:

Registration is open for S3: Slopes, Support and Stabilization being held August 6-8 in Aurora, Colo. “The conference has grown over the years to be one of DFI’s flagship events,” says Theresa Engler, DFI executive director. “The two-and-a-half-day conference brings together hundreds of industry professionals focused on the practical application of deep foundations and ground improvement techniques for stabilizing soft ground, landslides and slopes, and supporting deep excavations.”

The technical program highlights the state-of-practice, current research, innovations, advancements and case histories of deep foundations, anchored earth retention, slurry walls, ground improvement and deep mixing.

The conference opens with keynote speaker Tony Marinucci, Ph.D., P.E., V2C Strategists delivering a talk on “Current State of Practice for Deformation Criteria for SOE Wall Systems.”

The following day kicks off with a presentation by invited speaker Silas C. Nichols, P.E., Federal Highway Administration, titled “A Strategic Plan for Transportation Resilience.” The day ends with a panel discussion, “Positive Strategies for Emergency Communication.”

The event also includes the annual software discussion; an exhibit hall of material, equipment and service providers; and the popular Women in Deep Foundations (WiDF) Committee networking reception.

The conference is spearheaded by Sue Frank of TEI Rock Drills, conference chair, with the support of technical program co-chairs, Chris Ramsey, P.E., of Aterra Solutions; Jeff Segar, P.E., S.E., of GeoStabilization International; Edward Laczynski, P.E., Wagman Heavy Civil, and Timothy Siegel, P.E., G.E., BC.GE, Dan Brown and Associates.

DFI ( is an international association of contractors, engineers, manufacturers, suppliers, academics and owners in the deep foundations industry. Its multidisciplinary membership creates a consensus voice and a common vision for continual improvement in the planning, design and construction of deep foundations and excavations. DFI brings together members for networking, education, communication and collaboration. With its members, DFI promotes the advancement of the deep foundations industry through technical committees, educational programs and conferences, publications, research, government relations and outreach. DFI has more than 4,000 members worldwide. For more information, visit

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