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REPORT
This report is an archived publication and may contain dated technical, contact, and link information
Publication Number: FHWA-RD-97-099
Date: January 1998

 

Rehabilitation Performance Trends: Early Observations From Long-Term Pavement Performance (LTPP) Specific Pavement Studies (SPS)

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FOREWARD

Among the more pressing questions facing pavement engineers are those related to the timing and effectiveness of different rehabilitation strategies. Three of the Specific Pavement Studies (SPS) experiments within the Long Term Pavement Performance (LTPP) program (SPS-5, SPS-6, and SPS-7) were undertaken to address some of these questions. This report documents the findings of a first look at the performance of the SPS-5, -6, and -7 test sections after 3 to 4 years of service. While it is too early in the life of these test sections to draw definitive conclusions about their long-term performance, differences in the performance of the various strategies have been observed. In addition, problems that can lead to early failure of the rehabilitation treatments considered are identified.

This report will be of interest to all engineers involved in the rehabilitation of highway pavements. It will be of special interest to the States participating in the LTPP rehabilitation experiments.

Charles J. Nemmers, P.E.
Director
Office of Engineering
Research and Development

Notice

This document is distributed under the sponsorship of the Department of Transportation in the interest of information exchange. The United States Government assumes no liability for its contents or use thereof. This report does not constitute a standard, specification, or regulation.

The United States Government does not endorse products or manufacturers. Trade and manufacturers' names appear in this report only because they are considered essential to the object of the document.

 


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).
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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