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B-1 APPENDIX B GLOSSARY AB Aggregate base AC Asphalt concrete APA Asphalt Pavement Analyzer APT Accelerated pavement testing ASB Aggregate subbase ATB Asphalt-treated base ATPB Asphalt-treated permeable base ATREL Advanced Transportation Research and Engineering Laboratory (in Rantoul, IL) CAL-APT Caltrans Accelerated Pavement Testing CAL-APT HVS Caltrans Accelerated Pavement Testing Heavy-Vehicle-Simulator CBR California bearing ratio CD Compact disk CD-DA CD-digital/audio CD-R Recordable compact disk CD-ROM Compact diskâread only memory CD-RW Rewriteable compact disk cpd Cycles per day CRREL U.S. Army Cold Regions Research and Engineering Laboratory CRREL-HVS U.S. Army Cold Regions Research and Engineering Laboratory Heavy-Vehicle-Simulator DAO Data access object DBMS Database management system DCP Dynamic cone penetrometer DOT Department of transportation DVD Digital versatile disk ERDC U.S. Army Engineer Research and Development Center FERF Frost Effects Research Facility (operated by CRREL) FHWA-PTF FHWA Pavement Test Facility FL-APTRF FloridaâAccelerated Pavement Testing and Research Facility FWD Falling weight deflectometer GB Gigabytes GM Granular base/subbase material GPR Ground-penetrating radar GPS Global positioning system GVW Gross vehicle weight HMA Hot-mix asphalt HVS Heavy-vehicle-simulator INDOT/Purdue Indiana DOT/Purdue APT Facility JMF Job mix formula JPCP Jointed plain concrete pavement KS-APT KansasâAccelerated Pavement Testing LaDOTD Louisiana Department of Transportation and Development LTRC-PRF Louisiana Transportation Research CenterâPavement Research Facility LVDT Linear variable differential transformer LVTR Low-volume test road LWT Loaded wheel tester MB Megabytes MDD Multi-depth deflectometer ME Mechanistic-empirical Mn/ROAD Minnesota Road Research Project Mn/ROAD-LVTR Minnesota Road Research Project Low-Volume Test Road NCAT-PTT National Center for Asphalt Technology Pavement Test Track NDT Nondestructive testing NTIS National Technical Information Service
ODBC Open database connectivity OH-APLF Ohio Accelerated Pavement Loading Facility PCC Portland cement concrete PG Performance grade PRS Performance-related specification PS-PDF Pennsylvania State University Pavement Durability Facility PTF Pavement Testing Facility QC/QA Quality control/quality assurance RAP Recycled asphalt concrete pavement RDBMS Relational database management system SG Subgrade material SHRP Strategic Highway Research Program SPA Seismic Pavement Analyzer SQL Structured Query Language SST Simple shear tester TDR Time domain reflectometry TRIS Transportation Research Information Services TxMLS Texas Mobile Load Simulator USACE U.S. Army Corps of Engineers USCS Unified Soil Classification System UTW Ultra-thin whitetopping VFA Voids filled with asphalt VMA Voids in mineral aggregate WES-HVS U.S. Army Corps of Engineers Waterways Experiment Station Heavy-Vehicle-Simulator WesTrack Experimental road test facility of the Nevada Automotive test Center, Reno, Nevada B-2