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

February 2007


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Technical Report Documentation Page
1. Report No.

2. Government Accession No3. Recipient's Catalog No.
4. Title and Subtitle

Precast Concrete Panel Systems for Full-Depth Pavement Repairs: Field Trials
5. Report Date

February 2007
6. Performing Organization code:
7. Author(s)

Neeraj Buch, Ph.D.
8. Performing Organization Report No.
9. Performing Organization Name and Address

Department of Civil and Environmental Engineering
Michigan State University
3546 Engineering Building
East Lansing MI 48824-1226
10. Work Unit No.
11. Contract or Grant No.

BAA DTFH61-03-R-00003
12. Sponsoring Agency Name and Address

Office of Pavement Technology
Federal Highway Administration
U.S. Department of Transportation
400 Seventh Street SW, Washington, DC 20590
13. Type of Report and Period Covered

Final Report
March 2003 - March 2006
14. Sponsoring Agency Code

15. Supplementary Notes

Performed under the Concrete Pavement Technology Program. Contracting Officer's Technical Representative: Sam Tyson, Office of Pavement Technology, Federal Highway Administration
16. Abstract

The use of precast slabs as an alternative to conventional cast-in-place repairs may be an effective means of reducing construction time, thereby minimizing user delay and travel costs while obtaining a long-lasting, durable repair. This report summarizes the 3-year study, "Field Trials of Concrete Pavement Product and Process Technology-Precast Concrete System for Rapid Repairs," in which precast slabs were used for joint repair and slab replacement on in-service Michigan and Colorado highways. Cast-in-place, full-depth patches were installed as controls. The report contains a summary of the relevant literature; summaries of the field trials and their findings regarding efficiency and durability; recommendations for precast panel installation; a sample distress documentation report; a presentation of construction guidelines; and a sample special provision specification developed as part of the study. Recommendations for consecutive slab repairs are to reduce slab length; use a slab thickness of 200 mm or greater; use dowels to connect precast panels to existing panels for joint flexibility and load transfer; maximize proximity of repair sections when planning and encourage multitasking during panel installation to reduce construction time. For isolated repairs it is recommended that four dowel bars be placed in the wheel path and provide an expansion cap at one end of the dowel bar to accommodate slab movement due to environmental loading and prevent closing of the joint.
17. Key Words

precast concrete panels, concrete pavement rehabilitation, concrete pavement distresses
18. Distribution Statement

No restrictions. This document is available to the public through the National Technical Information Service, Springfield, Virginia 22161.
19. Security Classif. (of this report)

20. Security Classif. (of this Page)

21. No of Pages

23. Price

Form DOT F 1700.7 (8-72)         Reproduction of complete page authorized

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Updated: 09/22/2015
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