COVER
EXECUTIVE SUMMARY Purpose Method Overview of Technologies And Practices Observed Findings Bridge Foundations Embankment Foundations Embankment Construction Earth-Retention Systems Processes and Approaches Recommendations Implementation
OVERVIEW Background Purpose Methodology of Study Organization of Report
SWEDEN, FINLAND, AND UNITED KINGDOM Identified Accelerated Construction Technologies Lessons Learned: Accelerated Construction Methods Lessons Learned: Prefabricated Technologies Lessons Learned: Status Of Limit State Design
GERMANY Identified Accelerated Construction Technologies Lessons Learned: Accelerated Construction Methods Lessons Learned: Prefabricated Technologies Lessons Learned: Status Of Limit State Design
ITALY Identified Accelerated Construction Technologies Lessons Learned: Accelerated Construction Methods Lessons Learned: Prefabricated Technologies Lessons Learned: Status Of Limit State Design
BELGIUM Identified Accelerated Construction Technologies Lessons Learned: Accelerated Construction Methods Lessons Learned: Prefabricated Technologies Lessons Learned: Status Of Limit State Design
MAJOR FINDINGS Bridge Foundations Embankment Foundations Embankment Construction Earth-Retention Systems Processes And Approaches
CONCLUSIONS AND RECOMMENDATIONS FOR IMPLEMENTATION Conclusions Implementation
APPENDIX A: AMPLIFYING QUESTIONS
APPENDIX B: INDIVIDUALS CONTACTED BY THE STUDY TEAM
APPENDIX C: BIBLIOGRAPHY
APPENDIX D: SCAN TEAM CONTACT DATA AND BIOGRAPHIC INFORMATION
APPENDIX E: EN1997 EUROCODE 7: GEOTECHNICAL DESIGN
LIST OF TABLES
Table 1. Geotechnical Engineering Scan Team Members Table 2. Host Representatives Table 3. Technologies and Processes for Accelerated Construction of Bridge and Embankment Foundations Table 4. Bridge Foundation Systems, Equipment, and Ground Improvement Methods for Accelerated Construction and Rehabilitation on Poor Subgrades Table 5. Embankment Foundation Systems, Equipment, and Ground Improvement Methods for Accelerated Construction on Poor Subgrades Table 6. Embankment Mat Foundation Systems and Equipment for Accelerated Construction on Poor Subgrades or over Deep Foundations Table 7. Embankment Construction Equipment and Methods for Accelerated Construction Table 8. Innovative Earth-Retention Systems for Accelerated Construction and Rehabilitation
LIST OF FIGURES
Figure 1. Example of rapid bridge replacement showing transport of new bridge with specialized lift (from Belgian presentation) Figure 2. EuroSoilStab project on deep soil mixing (from BRE presentation) Figure 3. Subject matter presentations were often provided Figure 4. Traneberg Bridge reconstruction project Figure 5. Hollow, drilled-in soil nails are used to stabilize a slope Figure 6. Site visit to a rock tunnel portion of the Southern Link road construction project Figure 7. Mass stabilization technique Figure 8. Field visit to Meschede roadway slope stabilization project Figure 9. Green-faced wall site visit Figure 10. Site visit to the Betuwe railway line (in the Netherlands) Figure 11. Jacking a bridge into final position (from German presentation) Figure 12. The Soilmec factory tour Figure 13. Secant piles used for excavation and wall construction in the Trevipark (from the TREVI Group presentation) Figure 14. CFA pile supported embankment project for the high-speed rail project showing: (a) CFA pile installation and (b) installed CFA piles Figure 15. Turin subway project site visit showing: (a) station excavation and (b) continuous diaphragm wall construction Figure 16. Turin subway grouting project site visit showing: (a) grouting and Figure 17. Schematic of the ADECO methodology presented by the b) grout pump station and (b) Impregilo Group Figure 18. Site visit to the high-speed rail line project near Antwerp Figure 19. Sound barrier construction using capped debris and contaminated soil mound Figure 20. Screw pile test site at the Belgian Building Research Institute (BBRI) Figure 21. Bridge canal project visit in Strepy showing: (a) canal bridge under construction and (b) aerial view including boat elevator
Hana Maier Office of International Programs 202-366-6003 hana.maier@dot.gov