Comparison Of Rehabilitation Strategies For AC Pavements
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2000-11-01
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TRIS Online Accession Number:00803924
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NTL Classification:NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance
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Abstract:This TechBrief summarizes the results of a study of the Specific Pavement Study 5 (SPS-5) experiment entitled, "Performance of Rehabilitated Asphalt Concrete Pavements in the LTPP Experiments--Data Collected Through February 1997." The study documents performance trends of the 17 SPS-5 projects using distress data collected through February 1997. The age of these SPS-5 projects vary from 0.1 to 6.1 years, but most are less than 4 years old. Each project has nine test sections. The nine test sections consist of one control section and eight test sections with different combinations of the following strategies: Thin (51-mm) and thick (127-mm) overlays; Virgin and recycled mixtures used for the overlay; and Milled and non-milled surfaces prior to overlay placement.
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