3rd International Workshop on Micropiles, Turku, Finland, 2000


Session 1 Application Areas
1.Regional Presentations •The Earthquake Strengthening Construction Case of the Pier Foundation by using the Micropile, Masahiro Moriwaki
•Application of Micropiles European Review and Potential, Thomas Herbst

2.Special Presentations •PWRI Collaboration Project: Design Work in PWRI, Design Manual, Jiro Fukui
•Helical Piers in Frozen Ground, Hannele Zubeck

3.Prepared Comments •Twin Pipe Foundations, Juha Heinonen
•Composite Ground Floors and Minipiles for Housing Project; Minipile Load Test Database Interpretation, Tony Biddle
•Some Applications in France Based on the Result of FOREVER, Roger Frank

4.Conclusions •Summary of Session, Keith Kimura



Session 2 Classification and Definition of Micropile Types
1.Regional Presentations •Various Types of Micropiles – Technologies to provide Micropile with Greater Friction Resistance, Yoshinori Otani
•Micropiles in the U.S.A., Robert Traylor
•Classification of Micropile Types, Jorma Hartikainen
•Micropile Practice in the U.K., Mike Turner

2.Conclusions •Conclusions, Sami Eronen



Session 3 Design
1.Regional Presentations •Engineering Analysis of the Dynamic Behavior of Micropile Systems, Ilan Juran
•Excerpts from IWM at Ube; European Presentation, Roger Frank

2.Prepared Comments •Geotechnical Bearing Capacity of Impact Driven RR-Piles, Pasi Korkeakoski
•Design of CSG Piles, Jouko Lehtonen
•Micropiles in Poland, Boleslaw Klosinski
•Axial Loading of Small Diameter Injection Piles in Sand, Peter Schwarz
•Drilled and Dynamic Grouted Titan Soil Nails, Ernst Ischebeck

3.Conclusions •Remarks, Sakari Lotvonen



Session 4 Execution
1.Regional Presentations •Implementation Manual in Japan, Keith Kimura
•American Micropile Practice, Tom Armour
•Elaboration of a European Standard on Micropiles, Jan Maertens
•Execution of Micropiles – A Synopsis, Thomas Herbst

2.Special Presentations •Development of Expanding Cement Grouts for Piles and Grout Anchors, Flor De Cock
•Model Investigation on the Bearing Capacity of Micropile Foundation with Prestress, Kinya Miura
•The Centrifugal Model Tests on Load Sharing between the Existing Pile and the Micropile, Yasumitsu Ichimura

3.Prepared Comments •Rotex Oy, Simmetrix Driller’s Manual, Jyrki Tarkkonen
•The Importance of Cement Grout in Micropiling, Sten-Ake Pettersson
•GeoDrilling International Numa’s Dual Fluid System – The Drilling Solution, Jukka Ahonen
•RR-Piles, Sami Eronen

4.Conclusions •Bullet Points, Thomas Herbst



Session 5 Monitoring and Control
1.Regional Presentations •The Applicability of Statnamic Load Test for Micropiles, Yasumitsu Ichimura
•American Regional Presentation, Fred Kulhawy
•CEN-Standards: Micropiles, Sami Eronen

2.Special Presentations
•Minipile Load Test Database Interpretation, Tony Biddle
3.Prepared Comments
•Why Wooden Piles in Turku are Decaying, Jorma Hartikainen
•The Soilex Pile System, Staffan Wetterling
4.Conclusions
•Conclusions, Al DiMillio


Session 6 Case Histories
1.Regional Presentations •Micropiles in Japan, Keith Kimura
•Full Scale Field Tests on Single Micropiles and Networks of Micropiles of Titan and Expander Body Type, Donald Bruce

2.Special Presentations •The City Hall of Porvoo, Harri Vehmas
•Stabilization of a 8000 Ton Concrete Storage Silo with Micropiles, Flor de Cock

3.Conclusions •Remarks, Gary Weinstein

4.Comments •Horst Aschenbroich
•Jorma Hartikainen