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Publication Number: FHWA-HRT-10-066
Date: October 2011

 

Impact of Design Features on Pavement Response and Performance in Rehabilitated Flexible and Rigid Pavements

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FOREWORD

The primary focus of this research was to determine the effects of design and construction features, such as overlay thickness and mix type, presence of milling, and type of restoration, on pavement response and performance and to establish their importance in the prediction of future performance of rehabilitated pavements. Long-Term Pavement Performance program Specific Pavement Study (SPS)-5 and SPS-6 experiments provided information to obtain a better understanding of the effects of design and construction features on pavement response and performance of rehabilitated flexible and rigid pavements. The research findings provide guidance to identify appropriate features and rehabilitation alternatives for different pavement types and recommendations for improving data collection activities. The analyses results obtained in this study help determine the causes of distress and formulate models for predicting performance of rehabilitated pavements. Additionally, data from SPS-3 and SPS-4 experiments were used to determine the effectiveness and timing of preventive maintenance treatments. The findings suggest that it is possible to determine significant differences between treatment alternatives with respect to pavement performance and treatment timing. Performance of rehabilitated pavement sections from SPS-5 and SPS-6 were also examined using the Mechanistic Empirical Pavement Design Guide and compared with the field performance.(1)

The results provide useful information about rehabilitated pavement section performance predictions and recommendations for future model improvements.

Jorge E. Pagán-Ortiz
Director, Office of Infrastructure
Research and Development

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.

Technical Report Documentation Page

1. Report No.

FHWA-HRT-10-066

2. Government Accession No.

3. Recipient's Catalog No.

4. Title and Subtitle

Impact of Design Features on Pavement Response and Performance in Rehabilitated Flexible and Rigid Pavements

5. Report Date

October 2011

6. Performing Organization Code

7. Author(s)

R. Carvalho, M. Ayres, H. Shirazi, O. Selezneva, and M. Darter

8. Performing Organization Report No.

9. Performing Organization Name and Address

Applied Research Associates, Inc.
7184 Troy Hill Drive Suite
Elkridge, MD 21075-7056

10. Work Unit No. (TRAIS)

11. Contract or Grant No.

DTFH61-02-C-00138

12. Sponsoring Agency Name and Address

Office of Infrastructure Research and Developmen
tFederal Highway Administration
6300 Georgetown Pike
McLean, VA 22101-2296

13. Type of Report and Period Covered

Final Report

14. Sponsoring Agency Code

15. Supplementary Notes

The Contracting Officer's Technical Representative (COTR) was Larry Wiser, HRDI-30, LTPP data analysis contract.

16. Abstract

The primary focus of this research was to determine the effects of design and construction features, such as overlay thickness and mix type, presence of milling, and type of restoration, on pavement response and performance and to establish their importance in the prediction of future performances of rehabilitated pavements. Long-Term Pavement Performance program Specific Pavement Study (SPS)-5 and SPS-6 experiments provided information to obtain a better understanding of the effects of design and construction features on pavement response and performance of rehabilitated flexible and rigid pavements. The research findings provided guidance to identify appropriate features and rehabilitation alternatives for different pavement types and recommendations for improving data collection activities. The analyses results obtained in this study helped determine the causes of distress and helped formulate models for predicting performance of rehabilitated pavements. In addition, data from SPS-3 and SPS-4 experiments were used to determine effectiveness and timing of preventive maintenance treatments. The findings suggest that it is possible to determine significant differences between treatment alternatives with respect to pavement performance and treatment timing. Performance of rehabilitated pavement sections from SPS-5 and SPS-6 were also examined using the Mechanistic Empirical Pavement Design Guide and compared with the field performance.(1) The results provide useful information about rehabilitated pavement section performance predictions and recommendations for future model improvements.

17. Key Words

Pavement performance, Rehabilitation, Maintenance, Pavement design, Long-term performance, Flexible pavements, Rigid pavements

18. Distribution Statement

No restrictions. This document is available to the public through the National Technical Information Service, Springfield, VA 22161.

19. Security Classification (of this report)

Unclassified

20. Security Classification (of this page)

Unclassified

21. No. of Pages

261

22. Price

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

SI* (Modern Metric) Conversion Factors

Table of Contents

Executive Summary

Chapter 1. Introduction

Chapter 2. Literature review

Chapter 3. Overview of LTPP Maintenance and Rehabilitation Experiments

Chapter 4. Assessment of Maintenance Alternatives

Chapter 5. Rehabilitated Flexible Pavement Analysis and Findings

Chapter 6. Rehabilitated Rigid Pavement Analysis and Findings

Chapter 7. Analysis of Rehabilitated Pavement Structures Using MEPDG

Chapter 8. Study Findings, Conclusions, and Recommendations

Appendix A. Summary Statistical Analysis

Appendix B. Practical Guide: Selection of Pavement Maintenance Alternatives

Appendix C. Practical Guide: Factors Affecting Performance of Rehabilitated Fexible Pavements

Appendix D. Practical Guide: Factors Affecting Performance of Rehabilitated Rigid Pavements

Appendix E. Performance and Input Database for MEPDG Analysis

References

List of Figures

List of Tables

 


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The Federal Highway Administration (FHWA) is a part of the U.S. Department of Transportation and is headquartered in Washington, D.C., with field offices across the United States. is a major agency of the U.S. Department of Transportation (DOT). Provide leadership and technology for the delivery of long life pavements that meet our customers needs and are safe, cost effective, and can be effectively maintained. Federal Highway Administration's (FHWA) R&T Web site portal, which provides access to or information about the Agency’s R&T program, projects, partnerships, publications, and results.
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