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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 (Franceâs 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 controlâquality 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