Precast Concrete Panel Systems for Full-Depth Pavement Repairs: Field Trials

FHWA-HIF-07-019
February 2007

PDF Version (2.8 mb)

Contents

• List of Figures
• List of Tables

• TECHNICAL REPORT DOCUMENTATION PAGE
• CHAPTER 1. INTRODUCTION
  • Background
  • Objectives
  • Organization of the Report
• CHAPTER 2. SUMMARY OF THE LITERATURE REVIEW
• CHAPTER 3. MICHIGAN FIELD STUDY
  • Site Selection
  • Precast Panel Mixture Design and Fabrication Details
  • Construction Sequence
  • Construction Productivity
  • Repair Effectiveness of the Precast Panels
  • Recommendations for Precast Panel Installation
• CHAPTER 4. COLORADO FIELD STUDY
  • Site Selection
  • Precast Panel Mixture Design and Fabrication Details
  • Construction Sequence
  • Construction Productivity
  • Repair Effectiveness of the Precast Panels
  • Recommendations for Precast Panel Installation
• APPENDIX A.
• APPENDIX B.
• APPENDIX C.
• REFERENCES

List of Figures

• Figure 1. Structural details of the doweled precast panel.
• Figure 2. Fabrication of the doweled precast panels.
• Figure 3. Typical distresses.
• Figure 4. Sawcutting of slab boundaries and slab removal.
• Figure 5. Initial cleaning and preparation of the base.
• Figure 6. Preparation of the load transfer slots.
• Figure 7. Schematic cross section of the dowel assembly.
• Figure 8. Precast panel installation and stabilization using high-density polyurethane foam.
• Figure 9. Flowable fill operation and dowel slot backfilling.
• Figure 10. Relative distances of patches along the I-675 project.
• Figure 11. Construction timeline for panel 5.
• Figure 12. Relative distances of patches along the M-25 project.
• Figure 13. Construction timeline for patches 2 and 3.
• Figure 14. Falling-weight deflectometer test locations to evaluate panel effectiveness.
• Figure 15. Average load transfer efficiencies and deflection ratios for the I-675 test site.
• Figure 16. Average load transfer efficiencies and deflection ratios for the M-25 test site.
• Figure 17. Structural response of panels 4 and 9.
• Figure 18. Line sketch illustrating the possible dowel skew and uneven joint opening.
• Figure 19. Results of the finite element analysis.
• Figure 20. Structural details of the precast panel.
• Figure 21. Examples of distresses.
• Figure 22. Slab demolition process.
• Figure 23. Base preparation activities.
• Figure 24. Panel placement process.
• Figure 25. Fiberglass stitches.
• Figure 26. Completed cluster of panels.
• Figure 27. Relationship between average elapsed time per panel and the number of panels.
• Figure 28. Illustration of improvement in operators' comfort level.
• Figure 29. Illustration of advantages of incorporating concurrent activities.
• Figure 30. Falling-weight deflectometer testing pattern.
• Figure 31. Average midslab deflections as a function of slab thickness.
• Figure 32. Average edge deflections as a function of slab thickness.
• Figure 33. Average joint deflections (approach) as a function of slab thickness.
• Figure 34. Average joint deflections (leave) as a function of slab thickness.
• Figure 35. Typical crack patterns.

List of Tables

• Table 1. Summary of Reviewed Literature
• Table 2. Summary of Precast Panel Test Sites
• Table 3. Portland Cement Concrete Mixture Designs for the Precast Panels
• Table 4. Fresh and Hardened Property Results for the Portland Cement Concrete Mixture
• Table 5. Typical Construction Time, Labor, and Equipment Needs
• Table 6. Summary of Approach and Leave Joint Load Transfer Efficiencies (LTE)
• Table 7. Summary of Panel Performance, I-675 (Survey Date: 9/14/05)
• Table 8. Summary of Approach and Leave Joint Load Transfer Efficiencies (LTE)
• Table 9. Summary of Panel Performance, M-25 (Survey Date: 9/14/05)
• Table 10. Panel Location Summary Along the I-25 Corridor
• Table 11. Portland Cement Concrete Mixture Designs for the Precast Panels
• Table 12. Compressive Strength of Concrete From the Mead and Loveland Sites
• Table 13. Mechanical Properties of the Fiberglass Stitch
• Table 14. Equipment Used for Panel Installation
• Table 15. Approximate Installation Time for Patches (hours:minutes)

Notice

This document is disseminated under the sponsorship of the U.S. Department of Transportation in the interest of information exchange. The U.S. Government assumes no liability for the use of the information contained in this document. This report does not constitute a standard, specification, or regulation.

The U.S. Government does not endorse products or manufacturers. Trademarks or manufacturers' names appear in this report only because they are considered essential to the objective of the document.

Quality Assurance Statement

The Federal Highway Administration (FHWA) provides high-quality information to serve Government, industry, and the public in a manner that promotes public understanding. Standards and policies are used to ensure and maximize the quality, objectivity, utility, and integrity of its information. FHWA periodically reviews quality issues and adjusts its programs and processes to ensure continuous quality improvement.

More Information

• Latest Concrete Pavement Technology Update
• Pavement Publications

Contact

Sam Tyson
Office of Asset Management, Pavement, and Construction
202-366-1326
E-mail Sam