• Finalizing the Guide to Selection of Cutoff Methods. • Initiating development of a PowerPoint presentation on slurry wall construction. • Finalizing consensus guidelines for design and detailing of reinforced concrete diaphragm walls used as permanent basement walls in regions of high seismicity, including practical and economical design recommen- dations and proposals for influencing relevant building code provisions. • Interest in connecting technical committee members with technical members from tunneling societies (NATC, RETC). • Discussing specification for slurries for deep foundations. Subsurface Characterization for Deep Foundations Committee Chair: Victor Donald, P.E., Terracon [email protected] Trustee Liaison: Conrad Felice, Ph.D. P.E. ILF Consultants [email protected] • Planning activities to raise the level of awareness of the need for and economic benefits of accurate and effective subsurface characterization information. • Promoting active liaisons with AASHTO, ACI, ASTM, FHWA, GeoProfessional Business Association (formerly ASFE), Geo-Institute, TRB and USACE. • Developing liaison with the DFI of India task force on geotechnical investigation. Soil Mixing Committee Chair: David Miller, P.E., Consultant [email protected] Trustee Liaison: Martin G. Taube, P.E., P.G. Menard, [email protected] • Conducting laboratory study of strength and deformation properties of soil-cement mixtures, and appropriate laboratory procedures (Researcher: Prof. George Filz, Virginia Tech) funded through DFI Committee Project Fund. • Collaborating with Rutgers University to present a one-day seminar in April 2018 that focuses on soil mixing design and case histories. • Preparing a white paper on QC/QA issues for deep mixing. • Gauging the industry for market size by surveying industry members and cement associates. • Assisting other committees, as requested, on incorporating sustainable practices when preparing specifications, guidance documents and organizing workshops. Testing and Evaluation Committee Chair: Gerald Verbeek, Allnamics Pile Testing Experts BV [email protected] Trustee Liaison: Erik Loehr, Ph.D., P.E. University of Missouri, Columbia [email protected] • Conducting monthly meetings. • Preparing a series of videos on foundation testing methods and data analysis for nonpractitioners. Work started on second video, which will cover high strain dynamic testing. • Preparing an overview of suggested use of instrumentation for various appli- cations, and developing a DFI seminar. • Initiated the ITS Money (Increased Testing Saves Money) program. • Reviewing terminology associated with non-destructive integrity testing. Sustainability Committee Chair: Carlos Englert, Ph.D., P.E. Terracon, [email protected] Trustee Liaison: Gianfranco Di Cicco, GD Consulting, [email protected] • Restructuring and focusing on gathering information on the status of sustainability legislation and regulatory initiatives. • Continuing to be available to collaborate with all the other technical committees to find common ground in applying maximum safety and quality while ensuring durability and, as a direct consequence, sustainability for all deep foundation technologies. 112 • DEEP FOUNDATIONS • NOV/DEC 2017 • Initiated a review of proper calibration methods for SPT equipment to ensure more representative N-values. • Ongoing liaison with ASTM, ACI, AASHTO, CGS, TRB, Geo-Institute and PDCA. DFI Europe Monitoring and Instrumentation Committee Chair: Rob Van Dorp Allnamics [email protected] • Sharing information between North American and European committees.
