1st International Workshop on Micropiles, Seattle, WA 1997


Introductory Remarks
•Dr. Donald A. Bruce; ECO Geosystems, Inc.
•Dr. Al DiMillio; US DOT, Federal Highway Administration
•Prof. Hoshiya; Japanese Association of Micropiles
•Dr. Okahara; Public Works Research Institute
•Prof. Schlosser; French National Research Project


Session 1 - Geotechnical Assessment & Construction

•Selection of Geotechnical Parameters; Prof. Kulhawy, Cornell University, USA
•Drilling Methods; Dr. Bruce, ECO Geosystems, Inc., USA
•Grouting Materials and Methods; Mr. Turner, Applied Geotechnical Engineering, UK


Session 2 - Reinforcement Design

•Steel Design (1); Dr. Herbst, Allspann, Germany
•Steel Design (2); Mr. Lehtonen, Rautaruukki, Finland
•Materials Used in Micropiles in Japan; Mr. Shimazu, Japanese Association for Steel Pipe Piles, Japan


Session 3 - International Standards & Programs

•Bridge Construction Standards in Japan; Dr. Okahara, PWRI, Japan
•Seismic Design Concepts and Issues for Reticulated Micropile Foundation Systems; Mr. Mason, Cornell University, USA
•Review of French "Forever" Project; Prof. Schlosser, Terrasol and Dr. Frank, ENPC-CERMES, France
•State-of-the-Art; Application of Micropiles in Japan; Mr. Tsukada, PWRI, Japan
•Model Studies at Polytechnic University; Prof. Juran, Polytechnic University, USA


Session 4 - Applications & Implementation

•Should Piles be Rigid or Flexible? Lessons from the Damage Caused by Past Earthquakes; Prof Miura, Yamaguchi University, Japan
•Review of FHWA Micropile Implementation Manual; Mr. Groneck, Donald B. Murphy Contractors and Mr. Chassie, FHWA, USA
•Damages to Bridge Foundations During the Hanshin Earthquake, Mr. Fukui, PWRI, Japan


Session 5 - Applications & Implementation (Continued)

•Design Methodology; Micropiles for Slope Stabilization and Earth Retention; Mr. Armour, Donald B. Murphy Contractors, USA
•Use of Micropiles for Seismic Retrofit; Mr. Bromenschenkel, Caltrans, USA


Problem Solving Exercise: Static/Seismic Design and In Situ Slope Stabilization



Future Needs Assessment



Closing Remarks


References