U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
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 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
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