Soil Mixing Chair: David Miller, P.E., ADM Consulting, [email protected] Trustee Liaison: Franz-Werner Gerressen, Dipl.-Ing., BAUER Maschinen, [email protected] • Supporting the study on the effect of curing stresses on the mechanical properties of soil-cement mixed materials by researchers George Onorato and Giovanni Bonita, GEI Consultants. • Working on a white paper for testing recommendations for soil mixing, including acceptance criteria, product, execution, construction quality control and daily quality control reporting. • Supporting Deep Mixing 2020 from June 15-18, 2020, in Gdańsk, Poland, the • S3: Slope – Support – Stabilization conference, August 4-6, 2020, in San Francisco, and IFCEE 2021 in May 2021 in Dallas, Texas. • Reviewing key soil mixing terms and suggesting improved definitions for the DFI Lexicon. Subsurface Characterization for Deep Foundations Chair: Mary Nodine, P.E., GEI Consultants, [email protected] Trustee Liaison: Martin G. Taube, P.E. P.G., Menard USA, [email protected] • Developing a webinar module for the DFI Testing and Evaluation Committee’s ITS Money (Increased Testing Saves Money) series, which will highlight the cost-saving benefits of appropriate subsurface characterization. • Organizing panel sessions at upcoming DFI conferences for discussion of Geotechnical Baseline Reports (GBRs) in the deep foundation industry, which will include a variety of stakeholders, including contractors, owners and consultants. • Exploring a workshop at an upcoming DFI event for geophysicists and geotechnical engineers to discuss standardization of geophysics data and how to better communicate related information to owners. Sustainability Trustee Liaison: Gianfranco Di Cicco, GDConsulting, [email protected] • This committee is currently dormant. • Seeking interested members to revitalize the committee activities and charge. Testing and Evaluation Chair: Gerald Verbeek, Allnamics Pile Testing Experts, [email protected] Trustee Liaison: J. Erik Loehr, Ph.D., P.E., University of Missouri, [email protected] • Spearheaded multicommittee task force that issued a white paper on terminology and evaluation criteria of crosshole sonic logging (CSL). David Klug James Morrison Conrad Felice • Initiated the ITS Money (Increased Testing Saves Money) webinar series on October 2 and December 4, 2019. Future webinars in the series to be held in 2020 on the first Wednesday of even numbered months. • Organized a workshop on dynamic soil testing methods at nd SuperPile ’19 in Seattle. The 2 workshop is planned for SuperPile ’20 in St. Louis, Missouri. • Cooperated with DFI Europe on a one-day seminar on pile integrity testing of deep foundations. A similar seminar on load testing of deep foundations will be held in fall 2020. • Preparing a series of videos on foundation testing methods for nonpractitioners, including static load testing (published 2018), high-strain dynamic testing and low-strain dynamic testing. • Conducting monthly meetings to further committee activities. • Preparing an overview of the suggested use of instrumentation for various applications, including urban excavation and slope stability. Tunneling and Underground Systems and James A. Morrison, P.E., COWI North America, [email protected] Co-Chairs: David Klug, David R. Klug & Associates, [email protected] Trustee Liaison: Conrad Felice, Ph.D., P.E., P.Eng., D. GE., F. ASCE., C.W. Felice, [email protected] • Held committee meeting at the Rapid Excavation and Tunneling Conference (RETC) in June 2019 in Chicago to foster cooperation. DEEP FOUNDATIONS • JAN/FEB 2020 • 67 Gianfranco Di Cicco Gerald Verbeek Erik Loehr Mary Nodine Franz-Werner Gerressen Martin G. Taube
