Soil Mixing

David Miller, P.E., of ADM Consulting has 36 years of experience specializing in ground improvement techniques, especially deep soil mixing. He has completed projects in the U.S., Canada, Australia and New Zealand involving jet grouting and deep and shallow soil mixing. Miller worked on the first multi-auger project in the U.S. at the Jackson Lake Dam, one of the first large-diameter (12 ft) soil mixing applications. He has handled fast-track soil mixing on levee systems for emergency repairs from Hurricane Katrina; multiple cutoff walls up to 135-ft deep using DSM on levees; DSM for seal slab and stabilization for a railroad grade separation; treatment for the stabilization of dams for liquefaction prevention; wharf repair following the 2011 earthquake in Christchurch, New Zealand; and excavation support and groundwater cutoff for major high-rise construction in San Francisco. He served as the project director for three Task Orders for the USACE totaling16 miles of soil mixed cutoff wall. He actively participated in finalizing DFI’s Guidelines for Soil Mixing. Miller earned his bachelor’s degree in architectural engineering from the University of Texas at Austin and is a registered professional engineer in Texas. He has published several papers on the use, specification and quality of soil mixing along with case studies. Miller has previously served as executive director, geotechnical operations for Forgen; project director for Bauer Foundations; and senior vice president for Raito.