1. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 Synopsis of Findings from IWM 2003, Current and Future Status of IWM, and Breakout Session Guides Dr. Donald A. Bruce

2. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 Synopsis of findings from breakout sessions (IWM 2003) Synopsis of findings from breakout sessions (IWM 2003) Future of IWM (based on respondents comments after IWM 2003) Future of IWM (based on respondents comments after IWM 2003) Breakout Session Guide for IWM 2004 Breakout Session Guide for IWM 2004 Overview

3. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 Synopsis of Findings from Breakout Sessions at IWM 2003 State of International Knowledge Practice and Knowledge State of International Knowledge Practice and Knowledge Research and Development, and Future Needs Assessment Research and Development, and Future Needs Assessment Education and Knowledge Dissemination Education and Knowledge Dissemination

4. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 Global Findings Global Findings –Case 2 projects not conducted due to lack of design tools –Debate on definition of micropile (Finland and U.K.) –Obstacles to micropile industry growth Education of Owners Education of Owners Lack of codes (U.S.A.) Lack of codes (U.S.A.) Lack of capability to predict movement Lack of capability to predict movement Inertia in market, resistance to new technologies Inertia in market, resistance to new technologies Fast track projects do not allow time for micropile design Fast track projects do not allow time for micropile design –Trends toward lower W. European participation in IWM and imbalance towards N. American contractors Synopsis of Findings from Breakout Sessions at IWM 2003: State of International Knowledge

5. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 Regional Findings Regional Findings –North America No use of inclined piles No use of inclined piles Pile/cap connection knowledge lacking Pile/cap connection knowledge lacking Codes are old/poor Codes are old/poor Growing use in karst Growing use in karst Education of Bridge/Structural Engineers needed Education of Bridge/Structural Engineers needed New research on drill casings New research on drill casings “Secrecy” problems with database compilation “Secrecy” problems with database compilation Concern over suitability of multi-component grouts Concern over suitability of multi-component grouts Synopsis of Findings from Breakout Sessions at IWM 2003: State of International Knowledge

6. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 Synopsis of Findings from Breakout Sessions at IWM 2003: State of International Knowledge Regional Findings Regional Findings –Western Europe Market generally flat Market generally flat Market is equally private and public Market is equally private and public Widespread use of Titan Widespread use of Titan Good codes Good codes Potential for railroad embankment stabilization Potential for railroad embankment stabilization Some use of grout for drill flush Some use of grout for drill flush

7. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 Regional Findings Regional Findings –Nordic Countries Market divided between driven piles and drilled/grouted types (including Titan) Market divided between driven piles and drilled/grouted types (including Titan) Strong and growing private sector Strong and growing private sector Market otherwise steady (residential) Market otherwise steady (residential) Strong codes Strong codes Material suppliers leading market Material suppliers leading market Synopsis of Findings from Breakout Sessions at IWM 2003: State of International Knowledge

8. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 Regional Findings Regional Findings –Japan Using inclined piles (up to 200 tons) Using inclined piles (up to 200 tons) Concept of repairing pile caps after seismic events Concept of repairing pile caps after seismic events Public market increasingly strongly Public market increasingly strongly No Titans yet No Titans yet Japanese “manuals” very strong Japanese “manuals” very strong Need high energy to “sell” micropiles Need high energy to “sell” micropiles Synopsis of Findings from Breakout Sessions at IWM 2003: State of International Knowledge

9. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 Regional Findings Regional Findings –Nordic Countries Market divided between driven piles and drilled/grouted types (including Titan) Market divided between driven piles and drilled/grouted types (including Titan) Strong and growing private sector Strong and growing private sector Market otherwise steady (residential) Market otherwise steady (residential) Strong codes Strong codes Material suppliers leading market Material suppliers leading market Synopsis of Findings from Breakout Sessions at IWM 2003: State of International Knowledge

10. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 Global Findings Global Findings –Owners need better guidance on construction and design –Potential for PDA –General admiration for new Finnish and Japanese research projects –Eurocode gives guidance on design –Positive ADSC research initiatives –No report of U.S. States Pooled Fund Study –IWM database/website would be helpful Synopsis of Findings from Breakout Sessions at IWM 2003: Research and Development, and Future Needs Assessment

11. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 –Research Needs Strain compatibility with ground and foundation for seismic and lateral loading conditions Strain compatibility with ground and foundation for seismic and lateral loading conditions Pile/cap connection Pile/cap connection Casing joint capacity in bending Casing joint capacity in bending Inclined piles in groups Inclined piles in groups Case 2 concepts Case 2 concepts LRFD version of micropile design manual LRFD version of micropile design manual Update FHWA unpublished Volume 5 Update FHWA unpublished Volume 5 Synopsis of Findings from Breakout Sessions at IWM 2003: Research and Development, and Future Needs Assessment

12. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 Global Findings Global Findings –IWM maintained as “Center of Excellence” –Lack of permanent administrative leader noted –Function of IWM: strategic and/or technical? –“Good traits” of IWM Informality of data exchange Informality of data exchange Camaraderie Camaraderie Communication Communication Education Education Planning Planning Teaching Teaching Synopsis of Findings from Breakout Sessions at IWM 2003: Education and Knowledge Dissemination

13. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 Synopsis of Findings from Breakout Sessions at IWM 2003: Education and Knowledge Dissemination –IWM needs to Allow more time for in-depth technical knowledge exchange Allow more time for in-depth technical knowledge exchange Produce something useful Produce something useful Find a funding source Find a funding source Act as publications clearinghouse Act as publications clearinghouse Provide input to codes Provide input to codes Issue practice updates Issue practice updates Develop a website Develop a website Develop university-level textbook Develop university-level textbook Develop literature database Develop literature database Organize training events to raise funds Organize training events to raise funds Talk about failures Talk about failures

14. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 –IWM needs to stop Considering a conference Considering a conference Having political undertones (secrecy, posturing) Having political undertones (secrecy, posturing) Commercial marketing Commercial marketing Considering influencing codes Considering influencing codes Considering annual practice updates Considering annual practice updates Synopsis of Findings from Breakout Sessions at IWM 2003: Education and Knowledge Dissemination

15. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 Future of IWM Unanimous conclusion from IWM 2003 that IWM should establish Secretariat Unanimous conclusion from IWM 2003 that IWM should establish Secretariat An executive officer needs to be appointed An executive officer needs to be appointed Funds need to be raised Funds need to be raised Resulting organization must adhere to IWM core values Resulting organization must adhere to IWM core values

16. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 Critical time for IWM due to lack of FHWA funding Critical time for IWM due to lack of FHWA funding One year of replacement funding provided to IWM by ADSC (Industry Advancement Fund – through contributions from Micropile Committee) One year of replacement funding provided to IWM by ADSC (Industry Advancement Fund – through contributions from Micropile Committee) Amendment to ADSC focus currently proposed to include micropiles (votes due back 31 August) Amendment to ADSC focus currently proposed to include micropiles (votes due back 31 August) Potential for IWM inclusion within ADSC, but may not be attractive Potential for IWM inclusion within ADSC, but may not be attractive IWM Current Status

17. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 Functions of Secretariat must be defined Functions of Secretariat must be defined Breakout Session B addresses IWM future needs (funding, secretariat functions, website) Breakout Session B addresses IWM future needs (funding, secretariat functions, website) Need focused discussions on “products” (database, website, texts, etc.) suitable for external funding sources Need focused discussions on “products” (database, website, texts, etc.) suitable for external funding sources

18. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 The goals of the breakout sessions are: 1. 1.To allow specific, recurring “hot” topics to be addressed in detail, and 2. 2.To allow defined work products (strategies, plans, outlines, etc.) to be developed for specific issues. IWM 2004 Breakout Sessions

19. 6 th International Workshop on Micropiles Tokyo, Japan, August 24-27, 2004 BreakoutSessionDay General Topic Specific Topics Coordinator AWed.Design Issues Pile/cap connectionJapanese delegate Effective stress analyses of micropile bond stresses Roger Frank (France) Compilation of pile test data Mike Turner (U.K.) BThurs. Administrative and Financial issues Fund raisingErik Loehr (U.S.A.) WebsiteGary Weinstein (U.S.A.) Secretariat functionsTom Armour (U.S.A.) CFri. Outreach issues Educational effortsDonald Bruce (U.S.A.) International professional society involvement Jouko Lehtonen (Finland) Micropile reference database François Schlosser (France) IWM 2004 Breakout Sessions