Below are the first 10 and last 10 pages of uncorrected machine-read text (when available) of this chapter, followed by the top 30 algorithmically extracted key phrases from the chapter as a whole.
Intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text on the opening pages of each chapter.
Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages.
Do not use for reproduction, copying, pasting, or reading; exclusively for search engines.
OCR for page 85
85
APPENDIX A
Glossary
Abbreviations and Nomenclature LTPP Long Term Pavement Performance
LWD Light Weight Deflectometer
AAD Average Absolute Deviation M-D Moisture-Density
AASHTO American Association of State Highway and M-E Mechanistic-Empirical
Transportation Officials MEPDG Mechanistic-Empirical Pavement Design Guide
ADCP Automated Dynamic Cone Penetrometer MMA Machine Milled Accelerometer
ASNT American Society of Nondestructive Testing MnROAD Minnesota Road Research
ASTM American Society for Testing and Materials MTV Material Transfer Vehicle
BCI Base Curvature Index NCAT National Center for Asphalt Technology
CBR California Bearing Ratio NDE Nondestructive Evaluation
CCC Continuous Compaction Control NDT Nondestructive Testing
CMV Compaction Meter Value ODMS Onboard Density Measuring System
CT Circular Texture OGFC Open-Graded Friction Course
DBP Deflection Basin Parameter OMV Oscillo-Meter-Value
DCP Dynamic Cone Penetrometer PATB Permeable Asphalt Treated Base
DMI Distance Measuring Instrument PCA Pavement Composition Analysis
DOT Department of Transportation PCC Portland Cement Concrete
EDG Electrical Density Gauge PFWD Portable Falling Weight Deflectometer
EPIC Electronic Pavement Infrastructure, Inc. PG Performance Grade
EMAT Electromagnetic-Acoustic Transducer PQI Pavement Quality Indicator
FAA Federal Aviation Administration PR Penetration Rate
FCC Federal Communication Commission PRS Performance Related Specification
FFT Fast Fourier Transform PSPA Portable Seismic Pavement Analyzer
FHWA Federal Highway Administration PTA Pavement Thickness Analysis
FWD Falling Weight Deflectometer PVA Pavement Void Analysis
GDP German Dynamic Plate PWL Percent Within Limits
GPR Ground Penetrating Radar QA Quality Assurance
HMA Hot Mix Asphalt QC Quality Control
HWD Heavy Weight Deflectometer QC/QA Quality Control/Quality Acceptance
IC Intelligent Compaction RAP Recycled Asphalt Pavement
IE Impact Echo RCP Relative Compaction Profile
IR Infrared RDD Rolling Dynamic Deflectometer
IV Impact Value ROSAN Road Surface Analyzer
JMF Job Mix Formula RTRRM Response Type Road Roughness Meter
KTC Kentucky Transportation Center RWD Rolling Wheel Deflectometer
LCL Lower Control Limit SASW Spectral-Analysis-of-Surface-Waves
LSL Lower Specification Limit SHRP Strategic Highway Research Program
OCR for page 86
86
SMA Stone Matrix Asphalt MR = Resilient Modulus
SPA Seismic Pavement Analyzer N = Phase spectrum
SPL Standard Plate Load pa = Atmospheric pressure, psi
SPS Special Pavement Studies P3/8 = Percent passing the 3/8 in. sieve
SSG Soil Stiffness Gauge (now referred to as the P#4 = Percent passing the number 4 sieve
GeoGauge) P#40 = Percent passing the number 40 sieve
SSR Subgrade Stress Ratio P#200 = Percent passing the number 200 sieve
TDR Time Domain Reflectometry PI = Plasticity index
TF Transfer Function PR = Penetration rate (from DCP)
TFT TRL Foundation Tester Q = Radiation emitted from an object
TTI Texas Transportation Index Silt = Percent silt in a soil
UBW Ultrasonic Body Wave t = Travel time of a wave between the source and
UCL Upper Control Limit receiver
USL Upper Specification Limit tGPR = Time delay between the reflections from the top
USW Ultrasonic Surface Wave and bottom of the layer from GPR readings
VMA Voids in Mineral Aggregate TIR = Absolute temperature of an object
VTM Voids in Total Mix To[IR] = Absolute temperature of the surroundings
TF = Transfer function
V = Velocity of object from vibrations
Terms and Symbols
VGPR = Velocity from GPR reflection
a = Acceleration VP = Compression wave velocity
AGPR = Amplitude of the reflection from the top of the VR = Rayleigh (surface) wave velocity
layer VS = Shear wave velocity
aGPR = Regression coefficient from calibration of GPR ws = Water content of the soil
data using cores wopt = Optimum water content of the soil; AASHTO
Apl = Amplitude of the reflection from a metal plate T 180
bGPR = Regression coefficient from calibration of GPR X = Receiver spacing
data using cores X(f) = FFT of the hammer input
CBR = California Bearing Ratio Y(f) = FFT of the receiver output
C = Damping coefficient = Displacement
Clay = Percent clay in the soil a[GPR] = Dielectric constant of the layer
D = Depth of the reflector s[GPR] = Dielectric constant of surface layer
E = Young's or elastic modulus = Bulk stress
E = Emissivity of an object = Phase angle or shift
Evib = Dynamic stiffness under vibratory loading = Mass density
f = frequency 1,2,3 = Principal stress
fr = Resonance frequency IR = Stefan-Boltzman constant
G = Shear modulus oct = Octahedral shear stress
IV = Impact Value = Lame's constant
k1,2,3 = Regression constants from resilient modulus tests = Density of layer
K = Spring stiffness Max = Maximum dry density of a material, AASHTO
Lr = Wave length T 180
LL = Liquid limit s = Dry density of a material
M = Constrained or Bulk modulus = Poisson's ratio
