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                Ruggedness and Interlaboratory Studies for Asphalt Mixture Performance Tester (AMPT) Cyclic Fatigue Test: Phase II Report
FHWA-HRT-22-113.pdf (2.83 MB)
      
  Publication Information
                  Publication Type:Summary Report
                  Publication Number:FHWA-HRT-22-113
              Abstract:This report highlights the standards for asphalt mixture performance tester (AMPT) cyclic fatigue testing (American Association of State Highway and Transportation Officials (AASHTO) TP 107-22 and AASHTO TP 133-21) enable pavement engineers to predict asphalt mixture performance over a wide range of loading and climate conditions.(1,2) These standards are an important component of ongoing Federal Highway Administration efforts to increase pavement life through fundamental testing and mechanistically based predictive models. For the widespread implementation of AMPT cyclic fatigue testing procedures to take place, precision statements that define the repeatability and reproducibility of the test standards are needed.



This report also details an interlaboratory study of AMPT cyclic fatigue testing standards that was undertaken to meet this need. Researchers analyzed the results of the interlaboratory study experiments to define the allowable within- and between-laboratory variations in the test results. They developed corresponding precision statements for both AASHTO TP 107-22 and AASHTO TP 133-21 and assessed the implications of the precision statements on the uncertainty in practical applications of the test. Draft revised versions of both standards have also been developed as part of this effort.





Recommended citation: Federal Highway Administration, Ruggedness and Interlaboratory Studies for Asphalt Mixture Performance Tester (AMPT) Cyclic Fatigue Test: Phase II Report (Washington, DC: 2023) https://doi.org/10.21949/1521943
              Publishing Date:June 2023
              Posting Date:06/02/2023
                              Digital Object Identifier:https://doi.org/10.21949/1521943
              Author(s):Castorena,
    
          Cassie 
    
          (ORCID: 0000-0002-5915-0084)
              Underwood,
    
          Shane
    
          (ORCID: 0000-0002-7223-3968)
              Kim,
    
          Richard
    
          (ORCID: 0000-0003-3295-977X)
              Lee,
    
          Jing Ding Kangjin
    
          (ORCID: 0000-0003-3458-0747)
              Tran,
    
          Nam
    
          (ORCID: 0000-0001-8183-4741)
              Taylor,
    
          Adam
              Publishing Office:Office of Infrastructure Research and Development
                  FHWA Program(s):Research
              Infrastructure
              AMRP Program(s):Pavements and Materials
              FHWA Activities:Long-Term Pavement Performance
              Subject Area:Research U.S. DEPARTMENT OF TRANSPORTATION

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