Consideration of Preservation in Pavement Design and Analysis Procedures (2015) / Chapter Skim
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16 C H A P T E R 4 In this approach, test sections of preservation treatments or strategies are constructed and monitored, and the obtained data are analyzed in order to develop pavement response models and distress transfer functions associated with those treatments or strategies. The test sections consider a range of pavement and surface material types, a range of traffic loadings and climatic conditions, and different treatment types and strategies, and include pavements that receive no treatments after initial construction (until rehabilitation)
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17 5. Performance Models Development: Performance prediction models are developed for the various pavement preservation treatments or strategies using the data obtained from the preservation test sections to supplement the MEPDG models.
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18 and state routes to low-volume state routes. Data from these projects are used in a hypothetical example to illustrate the development of pavement preservation response models for conventional and full-depth HMA pavements treated with a single application of chip seals, microsurfacing, or thin HMA overlay.
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Table 9. Revised experimental design matrix.
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20 Step 4: Performance Monitoring and Database Development A condition data collection protocol was developed to record annual measurements of rutting, transverse thermal cracking, alligator cracking, longitudinal cracking, IRI, raveling/ weathering, friction, and macrotexture (as a supplement to friction)
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