Investigating the Relationship of As-Constructed Asphalt Pavement Air Voids to Pavement Performance (2021) / Chapter Skim
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4 C O N T E N T S PART I: RESEARCH OVERVIEW ..........................................................................................11 Summary ...................................................................................................................................... 13 Background .................................................................................................................................
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5 Background .............................................................................................................................. 147 Study Conclusions ..................................................................................................................................
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6 T A B L E S P A R T I : R E S E A R C H O V E R V I E W Table 2-1. LTPP sections used in this study.
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7 Table 2-51. New pavements transverse cracking F-test results.
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8 F I G U R E S P A R T I : R E S E A R C H O V E R V I E W Figure 1-1. Availability of LTPP data.
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9 Figure 2-41. Comparisons of transverse cracking performance between LTPP measurements and ANN model predictions.
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10 Figure 2-96. Observed versus ANN predicted validation ride data.
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11 A B B R E V I A T I O N S This list does not include standard units of measure, LTPP database variable names, or equation variables. AADTT annual average daily truck traffic AASHTO American Association of State Highway and Transportation Officials AC asphalt concrete AIC Akaike information criterion ANN Artificial Neural Network AV air voids AVw or AV_m as-constructed air voids weighted average for all asphalt layers combined, computed from %Gmm, also expressed as %Gmm_m AVt or AV_s as-constructed air voids for the surface (top)
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