CONTENTS FEATURES I DFI DEEP FOUNDATIONS The Magazine of the Deep Foundations Institute (DFI) is published bimonthly by DFI. 326 Lafayette Avenue, Hawthorne, NJ, 07506, USA T: 973.423.4030 | F: 973.423.4031 Email: [email protected] Executive Director Theresa Rappaport [email protected] Executive Editors Virginia Fairweather [email protected] Helen Robinson [email protected] Managing Editor Emeritus Manuel A. Fine, [email protected] Advertising Manager Karol Paltsios, [email protected] DFI Executive Committee President, Robert B. Bittner Vice President, John R. Wolosick Secretary, Matthew Janes Treasurer, Dan Brown Past President, James A. Morrison Other Trustees Patrick Bermingham David Borger Gianfranco Di Cicco Khaldoun Fahoum Rudolph P. Frizzi Frank Haehnig Bernard H. Hertlein Gerry Houlahan James O. Johnson Douglas Keller Samuel J. Kosa K.S. Rama Krishna Marine Lasne J. Erik Loehr Raymond J. Poletto Michael H. Wysockey 55 Soil Mixing in Contaminated Soils Ken Andromalos, P.E., and Daniel Ruffing, EIT A thorough overview of the history of working with contaminated sites in the U.S. Soil mixing originated in the late 1990s, with the first non- structural containment wall to isolate PCBs. Government sponsored sites followed, and equipment was developed over the years to deal with varying contaminants. Cost-efficiency improved as well. In-situ stabilization and in-situ treatment are defined as well as other kinds of treatment commonly used today. 49 Member Profile: Marine Lasne, Soletanche Freyssinet — Sustainability Crusader DEEP FOUNDATIONS • MAR/APR 2014 • 3 12 Jeff Hopple, P.E. Bluestone Dam Safety Assurance Program: An OPA Runner Up The U.S. Army Corps began its safety assurance program in 2001 at the Bluestone Dam in West Virginia. The multiple-phase construction project is intended to upgrade the capacity and the stability of the dam to meet the probable maximum flood. The Corps chose Brayman Construction to perform Phase 2B, which involved installing 216 high capacity rock anchors, 57 of which were meant to resist overturning. The other 159 rock anchors were installed on the dam face at an angle to resist sliding. Phase 2B also included a steel platform to gain access to the spillway anchors. O T N A S D I N N U S T O I F T U E P T E E D