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Aggregate Properties and the Performance of Superpave-Designed Hot-Mix Asphalt (2005)

Chapter: Glossary

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Suggested Citation:"Glossary." National Academies of Sciences, Engineering, and Medicine. 2005. Aggregate Properties and the Performance of Superpave-Designed Hot-Mix Asphalt. Washington, DC: The National Academies Press. doi: 10.17226/13844.
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85 GLOSSARY AASHTO: American Association of State Highway and Transportation Officials AIF: angle of internal friction AIMS: Aggregate Imaging System ALF: Accelerated Loading Facility AMRL: AASHTO Materials Reference Laboratory ANOVA: analysis of variance APA: Asphalt Pavement Analyzer APT: Accelerated Pavement Testing ARZ: above restricted zone ASTM: American Society for Testing and Materials BBR: bending beam rheometer BRZ: below restricted zone CalTrans: California Department of Transportation CAR: compacted aggregate resistance CCD: charged couple device DOT: department of transportation DSR: dynamic shear rheometer DST: direct shear test ESALs: equivalent single axle loads ETG: expert task group F&E: flat and elongated particles FAA: fine aggregate angularity FHWA: Federal Highway Administration GLWT: Georgia Loaded Wheel Tester GSCS: generalized self-consistent scheme HMA: hot mix asphalt IDT: Indirect Tensile Tester INAPOT: Instron Adhesion Pull-Off Test ISSA: International Slurry Seal Association K-index: classification index LA abrasion: Los Angeles abrasion test LASS: Laser-Based Scanning System LCPC: Lab Central des Ponts et Chaussées (France’s national road and bridge laboratory) LTPP: Long-Term Pavement Performance (Program) MBV: methylene blue adsorption value MnRoad: Minnesota Road Research Project MB: methylene blue NAA: National Aggregate Association NAT: net adsorption test NCAT: National Center for Asphalt Technology NCHRP: National Cooperative Highway Research Program Ndesign: design number of gyrations Ninitial: initial number of gyrations NMAS: nominal maximum aggregate size OSU: Oregon State University PAV: pressure aging vessel PCS: primary control sieve PG: performance grade PI: plasticity index p-value: significance level QC/QA: quality control–quality assurance R2: coefficient of determination RAP: recycled asphalt pavement SBR: styrene-butadiene rubber SBS: styrene-butadiene-styrene polymer SCS: secondary control sieve SGC: Superpave Gyratory Compactor SHRP: Strategic Highway Research Program SMA: stone matrix asphalt SPS: Specific Pavement Studies SR: slenderness ratio SST: Superpave Shear Tester SKW/UN: SWK Pavement Engineering, Nottingham, UK TCS: tertiary control sieve TRB: Transportation Research Board TRZ: through the restricted zone UI-AIA: University of Illinois Aggregate Image Analyzer USACE: United States Army Corps of Engineers USD: Universal Sorption Device VFA: voids filled with asphalt VMA: voids in mineral aggregate

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TRB’s National Cooperative Highway Research Program (NCHRP) Report 539: Aggregate Properties and the Performance of Superpave-Designed Hot-Mix Asphalt examines technical literature available since the conclusion of the Strategic Highway Research Program in 1993 on the impact of the aggregate properties specified by the Superpave mix design method on the performance of hot-mix asphalt. The performance of hot-mix asphalt (HMA) is largely determined by the characteristics of its constituents: asphalt binder and aggregate. In developing the Superpave mix design method, the Strategic Highway Research Program (SHRP, 1987–1993) targeted the properties of asphalt binders and HMA and their effects on pavement performance.

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