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76 AAD Absolute average difference AADT Average annual daily traffic AC Asphalt binder content ADTT Average daily truck traffic ALF Accelerated loading facility ANCOVA An analysis of covariance ANOVA An analysis of variance APA Asphalt pavement analyzer AV Air voids BC Back calculation method COV Coefficient of variation E* Dynamic modulus FrT Freeze thaw Gmb Mixture bulk specific gravity Gmm Mixture maximum specific gravity GPS General Pavement Study Gsb Aggregate bulk specific gravity HMA Hot mix asphalt HVS Heavy vehicle simulators IDT Indirect tensile test IO Ignition oven IRI International roughness index ITS Indirect tensile strength JMF Job mix formula LL Laboratory-mixed, laboratory-compacted LTPP Long-Term Pavement Performance LTRC Louisiana Transportation Research Center LWT Loaded-wheel test MCT Multiple Comparison Test MDL Maximum density line ME Mechanistic-empirical Mr Resilient Modulus MSE Mean standard error MSTR Mean square treatment MTV Material transfer vehicle NC Nuclear method NMAS Nominal maximum aggregate size Abbreviations and Acronyms
77 NSAD Normalized sum of absolute differences PF Plant-mixed and field-compacted PG Performance grade PL Plant-mixed and laboratory-compacted PLR Plant-mixedâlaboratory-compacted with reheating PMS Pavement Management System PMW Precision Machine & Welding (Company) PQI Pavement Quality Indicator PRS Performance-related specifications PT Printed ticket method QA Quality assurance QC Quality control QV Quality verification RAP Recycled asphalt pavement RLT Repeated load test SAD Sum of absolute differences SAS Statistical analysis software SE Solvent extraction SGC Superpave gyratory compactor SIP Stripping inflection point SSD Saturated surface dry SST Simple shear test St Dev Standard deviation TSR Tensile strength ratio UNR University of Nevada, Reno VFA Voids filled with asphalt VMA Voids in mineral aggregate VS Vacuum Sealing
Abbreviations and acronyms used without definitions in TRB publications: A4A Airlines for America AAAE American Association of Airport Executives AASHO American Association of State Highway Officials AASHTO American Association of State Highway and Transportation Officials ACIâNA Airports Council InternationalâNorth America ACRP Airport Cooperative Research Program ADA Americans with Disabilities Act APTA American Public Transportation Association ASCE American Society of Civil Engineers ASME American Society of Mechanical Engineers ASTM American Society for Testing and Materials ATA American Trucking Associations CTAA Community Transportation Association of America CTBSSP Commercial Truck and Bus Safety Synthesis Program DHS Department of Homeland Security DOE Department of Energy EPA Environmental Protection Agency FAA Federal Aviation Administration FAST Fixing Americaâs Surface Transportation Act (2015) FHWA Federal Highway Administration FMCSA Federal Motor Carrier Safety Administration FRA Federal Railroad Administration FTA Federal Transit Administration HMCRP Hazardous Materials Cooperative Research Program IEEE Institute of Electrical and Electronics Engineers ISTEA Intermodal Surface Transportation Efficiency Act of 1991 ITE Institute of Transportation Engineers MAP-21 Moving Ahead for Progress in the 21st Century Act (2012) NASA National Aeronautics and Space Administration NASAO National Association of State Aviation Officials NCFRP National Cooperative Freight Research Program NCHRP National Cooperative Highway Research Program NHTSA National Highway Traffic Safety Administration NTSB National Transportation Safety Board PHMSA Pipeline and Hazardous Materials Safety Administration RITA Research and Innovative Technology Administration SAE Society of Automotive Engineers SAFETEA-LU Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (2005) TCRP Transit Cooperative Research Program TDC Transit Development Corporation TEA-21 Transportation Equity Act for the 21st Century (1998) TRB Transportation Research Board TSA Transportation Security Administration U.S.DOT United States Department of Transportation
TRA N SPO RTATIO N RESEA RCH BO A RD 500 Fifth Street, N W W ashington, D C 20001 A D D RESS SERV ICE REQ U ESTED ISBN 978-0-309-37508-5 9 7 8 0 3 0 9 3 7 5 0 8 5 9 0 0 0 0 N O N -PR O FIT O R G . U .S. PO STA G E PA ID C O LU M B IA , M D PER M IT N O . 88