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OCR for page 46
46 GLOSSARY AASHTO: American Association of State Highway and Transportation NCHRP: National Cooperative Highway Research Program Officials Ndesign: design number of gyrations AFT: apparent film thickness NMAS: nominal maximum aggregate size ALF: Accelerated Loading Facility PG: performance grade ARZ: above restricted zone PI: penetration index ASTM: American Society for Testing and Materials PVN: penetration-viscosity number BRZ: below restricted zone QC/QA: quality controlquality assurance CAM: ChristensenAndersonMarasteanu Model RAP: recycled asphalt pavement DOT: Department of Transportation RPS: research project statement ESALs: equivalent single axle loads RSCH: repeated shear at constant height FHWA: Federal Highway Administration SBR: styrene-butadiene rubber FM300: fineness modulus 300 m basis SBS: styrene-butadiene-styrene rubber HMA: hot mix asphalt SHRP: Strategic Highway Research Program IDT: indirect tensile SMA: stone matrix asphalt JMF: job mix formula TRB: Transportation Research Board LTPP: Long-Term Pavement Performance (Program) TRZ: through the restricted zone LVE: linear viscoelastic VBE: effective asphalt content by volume MAAT: mean annual air temperature VFA: voids filled with asphalt MnRoad: Minnesota Road Research Project VMA: voids in mineral aggregate MPSS: maximum permanent shear strain VTM: total voids in mix NCAT: National Center for Asphalt Technology