Falling Weight Deflectometer Usage (2008)

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44 NHI National Highway Institute NySDOT New york State DOT PCC Portland cement concrete PDDX Pavement Deflection Data Exchange PFWD Portable falling weight deflectometer PLT Plate load test PMS Pavement management system R2 Coefficient of determination RCA Recycling concrete aggregate SDDOT South Dakota Department of Transportation SHA State highway agency SHRP Strategic Highway Research Program SN Structural number SNeff Effective structural number SRA Swedish Road Administration TRIS Transportation Research Information Services TxDOT Texas Department of Transportation UTEP University of Texas at El Paso UTW Ultra-thin whitetopping VDOT Virginia Department of Transportation VTrans Vermont Agency of Transportation WSDOT Washington State DOT uniTs oF Measure cm centimeter ft foot in. inch km kilometer kN kilonewton ksi kips per square inch lbf pounds force mi mile mils milli-inch (0.0001 in.) MPa megapascal μm micrometer pci pound per cubic inch psi pounds per square inch AC Asphalt concrete ADOT Arizona Department of Transportation ALDOT Alabama Department of Transportation ASR Alkali-silicate reaction BMPR Bureau of Materials and Physical Research Caltrans California Department of Transportation CBR California Bearing Ratio COST European Cooperation in the Field of Scientific and Technical Research CRCP Continuously reinforced concrete pavement DCP Dynamic cone penetrometer Deff Effective slab depth DOS Disk Operating System (Microsoft) ERI Engineering Research International FDOT Florida Department of Transportation FWD Falling weight deflectometer FWDUG Falling Weight Deflectometer User’s Group GDOT Georgia Department of Transportation GPR Ground-penetrating radar GUI Graphical user interface HMA Hot-mix asphalt HWD Heavy weight deflectometer IDOT Illinois Department of Transportation INDOT Indiana Department of Transportation ITD Idaho Transportation Department ITRD International Transport Research Documentation JCP Jointed concrete pavement JPC Jointed plain concrete k k-value LFWD Lightweight FWD LTE Load transfer efficiency LTPP Long-Term Pavement Performance LVDT Linear variable displacement transducers Mr Resilient modulus MEPDG Mechanistic–Empirical Pavement Design Guide MoDOT Missouri Department of Transportation MRWA Main Roads Western Australia NDT Nondestructive testing aBBreViaTions