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| There are 375 entries started with 'r' |
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R |
R- HORIZON |
R, r |
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Rm |
Rs |
ru |
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RA |
RABBLE ARMS |
RAC |
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RACE TRACK |
RACM |
RACT |
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RAD (Unit) |
RADIAL FLOW |
RADIAL WELL |
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RADIAN (rad) |
RADIANT INTENSITY (Unit) |
RADIATION |
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RADIATION BELTS |
RADIATION DAMAGE |
RADIATION INVERSION |
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RADIATION SICKNESS |
RADIATION SURVEY |
RADICAL |
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RADIOACTIVE |
RADIOACTIVE DECAY |
RADIOACTIVE ELEMENTS |
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RADIOACTIVE MATERIALS |
RADIOACTIVE NUCLEAR WASTE |
RADIOACTIVE SPRING |
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RADIOACTIVE WASTE |
RADIOACTIVE WASTE, CONTROLLED |
RADIOACTIVE WASTE, HIGH LEVEL |
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RADIOACTIVE WASTE, LOW LEVEL |
RADIOACTIVE WASTE, UNCONTROLLED |
RADIOACTIVITY |
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RADIOCARBON |
RADIOCARBON DATING |
RADIOISOTOPE |
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RADIOLOGICAL SURVEY |
RADIOLUMINESCENCE |
RADIONUCLIDE |
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RADIUM |
RADIUS OF INFLUENCE OF A WELL |
RADON |
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RADON DAUGHTERS |
RADON FAMILY |
RADON GAS |
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RADON PARENT |
RADWASTE |
RAFFINATE |
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RAFT FOUNDATION |
RAILWAY SOFTENING |
RAIN |
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RAIN- FED STREAM |
RAIN FOREST |
RAIN GAGE |
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RAIN MAKER |
RAIN PILLAR |
RAIN PRINT |
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RAIN-DAY |
RAINDROP |
RAINDROP SHAPE |
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RAINDROP SIZE |
RAINDROP SPEED |
RAINFALL |
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RAINFALL AREA |
RAINFALL DYNAMICS |
RAINFALL EXCESS |
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RAINFALL INDEX |
RAINFALL INFILTRATION |
RAINFALL PENETRATION |
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RAINFALL RATE |
RAINFALL-DISTRIBUTION COEFFICIENT |
RAINFALL-INTENSITY CURVE |
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RAINSTORM |
RAINWASH |
RAKER PILE |
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RAMP |
RAMS |
RANKINE'S THEORY |
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RAP |
RAPID (Soil Drainage) |
RAPID MIX |
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RAPID-SAND FILTER |
RAS |
RASP |
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RATE |
RATE CONSTANT (k) |
RATE LAW |
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RATE OF REACTION |
RATE-DETERMINATING STEP |
RATE-OF-FLOW CONTROLLER |
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RATING |
RATIO |
RAVINE (Landform) |
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RAW SLUDGE |
RAW WATER |
RAYLEIGH WAVES |
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RBE |
RCC |
RCRA |
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RCRIS |
RD/RA |
RDF |
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REACTANT(S) |
REACTION RATE |
REACTIVATION |
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REACTIVE WALL |
REACTIVE WASTE |
REACTOR |
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REACTOR, NUCLEAR |
REAERATION |
REAGENT |
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REAGENT GRADE WATER |
REAL DENSITY |
REAL SPECIFIC GRAVITY |
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REAUMUR |
REBOILER |
RECALCINING |
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RECARBONATION |
RECENT SOIL |
RECESSIONAL MORAINE |
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RECHARGE |
RECHARGE BASIN |
RECHARGE GROUNDWATER |
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RECHARGE WELL |
RECIRCULATION RATIO (Biological Filters) |
RECLAIMED WASTEWATER |
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RECLAMATION |
RECLAMATION LAND |
RECLAMATION, MINING |
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RECORD OF DECISION |
RECOVERABLE |
RECOVERY CYCLE |
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RECYCLE RATIO |
RECYCLING |
RED ARSENIC |
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RED ARSENIC GLASS |
RED BAG WASTE |
RED CLAY |
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RED DESERT SOIL |
RED DOG |
RED LIST |
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RED MUD |
RED ORPIMENT |
RED PODZOLIC SOILS |
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RED WATER |
REDDISH CHESTNUT SOILS |
REDDISH PRAIRIE SOILS |
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REDDISH-BROWN SOILS |
REDOX POTENTIAL |
REDOX REACTION |
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REDUCING AGENT |
REDUCTANT |
REDUCTION |
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REDUCTION OF AREA |
REDUCTION-OXIDATION POTENTIAL |
REDUCTION-OXIDATION REACTION |
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REED BED |
REEF |
REFLECTED WAVE |
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REFLECTION |
REFORESTATION |
REFRACTED WAVE |
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REFRACTION |
REFRACTION COEFFICIENT |
REFRACTIVE INDEX (n) |
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REFRACTORY |
REFRACTORY ORGANICS |
REFRIGERANT |
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REFUSE |
REFUSE DERIVED FUEL (RDF) |
REGELATION |
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REGENERANT |
REGENERATE |
REGENERATIVE THERMAL OXIDIZER (RTO) |
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REGIONAL METAMORPHISM |
REGOLITH |
REGOSOLS |
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REJECT |
REJECT STAGING |
RELATIVE ACCURACY TEST AUDIT (RATA) |
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RELATIVE BIOLOGICAL EFFECT (RBE) |
RELATIVE CONSISTENCY (Ic, Cr) |
RELATIVE DENSITY (Dd) |
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RELATIVE DIELECTRIC CONSTANT |
RELATIVE HUMIDITY |
RELATIVE RISK |
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RELATIVE VELOCITY |
RELATIVE WATER CONTENT |
RELAXATION |
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RELAXATION TIME |
RELEASE |
RELIEF (Landform) |
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RELIEF SEWER |
REM (rem) (Unit) |
REMEDIAL ACTION |
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REMEDIAL INVESTIGATION/FEASIBILITY STUDY (RI/FS) |
REMEDIATION |
REMEDIATION CONTROL SURVEY |
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REMEDY |
REMOLDED SOIL |
REMOLDING INDEX, (RI, IR) |
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REMOLDING SENSITIVITY |
REMOVABLE ACTIVITY |
REMOVAL |
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RENDZINA SOILS |
RENEWABLE RESOURCE |
REPLACEMENT (Geology) |
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REPORTABLE QUANTITY |
REPRESENTATIVE SAMPLE |
REPULSIVE ENERGY |
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REPULSIVE FORCE |
RESERVOIR |
RESIDUAL COHESION |
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RESIDUAL FRICTION ANGLE |
RESIDUAL MATERIAL |
RESIDUAL RADIOACTIVITY |
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RESIDUAL SHEAR STRENGTH |
RESIDUAL SHRINKAGE |
RESIDUAL SOIL |
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RESIDUAL STRENGTH COEFFICIENT ( r) |
RESIDUAL STRESS |
RESIDUAL WASTE |
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RESIDUE |
RESILIENCE |
RESILIENCE, MODULUS OF |
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RESIN |
RESIN BEADS |
RESISTING FORCES |
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RESISTIVITY |
RESONANCE |
RESOURCE CONSERVATION |
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RESOURCE CONSERVATION AND RECOVERY ACT (ACRA) |
RESOURCE RECOVERY |
RESOURCES |
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RESPIRATION |
RESPIRATORY SYSTEM, HUMAN |
RESPONSE TRUST FUND |
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RESTORATION |
RESTRICTED USE |
RESURGENT WATER |
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RETAINING WALL |
RETARDING BASIN |
RETENSION, WATER |
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RETENTION |
RETENTION POND |
RETENTION TIME |
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RETICULATED MINI-PILE WALLS |
RETROGRADE SOLUBILITY |
RETURN ACTIVATED SLUDGE (RAS) |
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RETURN FLOW |
RETURN SEEPAGE |
RETURN SLUDGE |
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RETURN WATER |
REVERSE OSMOSIS |
REVERSE HEAD |
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REVERSED STREAM |
REVETMENT |
REVETMENT WALL |
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REYNOLDS' CRITICAL VELOCITY |
REYNOLDS' NUMBER (R) |
RF/AS |
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RFA |
RHA |
RHEOLOGY |
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RHIZOSPHERE |
RHYOLITE |
RI/FS |
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RIA |
RIBONUCLEIC ACID (RNA) |
RICE HUSK (Material) |
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RICE HUSK ASH (Material) |
RICE HUSK CEMENT |
RICHTER EARTHQUAKE MAGNITUDE SCALE |
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RIDGE |
RIDGING |
RIFFLE |
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RIGHT-HAND RULE |
RIGID BODY |
RIGID PAVEMENT |
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RIGID PLASTIC |
RIGID PLASTIC MATERIAL |
RIGIDITY |
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RILL |
RIME |
RING OF FIRE |
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RIP |
RIP CURRENT |
RIPARIAN LAND |
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RIPARIAN RIGHTS |
RIPARIAN RIGHTS, WATER LAW |
RIPPABLE EXCAVATION |
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RIPPLE MARKS |
RIPRAP |
RISE RATE |
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RISING FILM EVAPORATOR |
RISK ASSESSMENT |
RIVER DEPOSITS |
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RIVERINE ENVIRONMENT |
RIVERS |
RMCLs |
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RNA |
ROAD OIL |
ROADCHEM |
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ROCK |
ROCK AVALANCHE |
ROCK BOLTS |
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ROCK CLASSIFICATION |
ROCK CLASSIFICATION, BASED ON GEOLOGICAL OR LITHOLOGICAL SYSTEMS |
ROCK CLASSIFICATION, BASED ON ORIGIN AND GENESIS |
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ROCK CLASSIFICATION, BASED ON STRENGTH OF ROCK MASS |
ROCK CLASSIFICATION, FOREST SERVICE |
ROCK CRYSTAL |
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ROCK CYCLE |
ROCK FALL |
ROCK FLOUR |
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ROCK FLOW |
ROCK FORMATION |
ROCK MECHANICS |
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ROCK SALT |
ROCK SLIDE |
ROCK-FILL DAM |
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ROCK-FORMING MINERALS |
ROCK-QUALITY DESIGNATION (RQD) |
ROCK-UNIT |
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ROCKWELL HARDNESS |
ROGUE WAVE |
ROLLING LAND |
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ROOF ROCK |
ROOT |
ROOT CONTROL |
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ROOT PILE (Foundation) |
ROOT ZONE |
ROOT-TREE INTERACTION |
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ROSIN AND REMMLER'S LAW OF CRUSHING (Geology) |
ROTARY COLLECTOR |
ROTARY DISTRIBUTOR |
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ROTARY DRUM SCREEN |
ROTARY DRUM THICKENER |
ROTARY KILN INCINERATOR |
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ROTATING BIOLOGICAL CONTACTOR (RBC) |
ROTATIONAL LANDSLIDE |
ROTIFER |
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ROTOR |
ROUGHING FILTER |
RPM (rpm) |
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RTECS |
RTO |
RTR |
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RUBBER |
RUBBER TIRE |
RUBBER TIRE AGGREGATE |
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RUBBER TIRE, SCRAP |
RUBBER TIRE, WASTE |
RUBBER, SYNTHETIC |
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RUBBER-LIKE MATERIAL |
RUBBISH |
RUBBLE |
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RUBBLE DAM |
RUBBLE DRIFT |
RUNOFF |
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RUNOFF PERCENTAGE |
RUNOFF RATE |
RUNOFF VOLUME |
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RUNOFF COEFFICIENT |
RUNOFF DRAINAGE |
RUN-ON |
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RUPTURE |
RUPTURE ENVELOPE |
RUPTURE LINE |
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RUT DEPTH (Pavement) |
RUT DEPTH INDICATOR (Pavement) |
RYZNAR INDEX |
ENVIRONMENTAL
GEOTECHNOLOGY DICTIONARY
Edited By
Hsai-Yang Fang, Ph.D
Professor Emeritus
Lehigh University. Bethlehem, PA
Distinguished Fellow
Global Institute for Energy & Environmental Systems
The University of North Carolina at Charlotte, Charlotte, NC
Copyright
Reserved 2006
Environmental
geotechnology is a relatively new and interdisciplinary
subject, which covers soil, water and rock and their interaction with various
environmental cycles including the atmosphere, biosphere, hydrosphere, lithosphere,
as well as geomicrobiosphere. To tackle this complex subject, it is necessary
to have knowledge from other disciplinary fields including agricultural
science, biology, environmental science, geology, microbiology, mineralogy,
and physicochemistry. Therefore, a uniform glossary of terms, definitions,
nomenclature, abbreviation, acronym, symbols and units is needed for general
discussions, reports and documents to minimize confusion and to improve
the effectiveness for the environmental aspects of geotechnical problems.
Some important information is collected, compiled and edited, and in spite
of careful preparation of this dictionary, there cannot be avoided some
missing or misinterpreted terms, typing errors, etc. The editor hopes, however,
that with the aid of suggestions and criticism, there can be improvement
for a later edition.
Thanks to many government agencies, professional societies and private organizations
including American Society of Civil Engineers (ASCE), American Society for
Testing and Materials (ASTM), Transportation Research Board (TRB), International
Society of Environmental Geotechnology (ISEG), U.S. Environmental Protection
Agency (EPA), U.S. Department of Energy (DOE) for providing useful documents
for preparation of the dictionary. Also thanks to Prof. Charles Ochola, Villanova
University, Prof. Tae-Hyung Kim, Korea Maritime University, Ms. Eleanor S.
Nothelfer of Fritz Engineering Laboratory, Lehigh University and Mr. Gustavo
Borel Menezes of Global Institute for Energy and Environmental Systems (GIEES),
University of North Carolina at Charlotte for their assistance during various
phases of preparation of the manuscript.
Acknowledgment is made to Review Committee Members for their time and willingness
to review the manuscripts.
Prof. Ronald C. Chaney, Humboldt State University, Arcata, CA
Prof. John L. Daniels, The University of North Carolina at Charlotte,
NC
Prof. Jeffrey C. Evans, Bucknell University, Lewisburg, PA
Prof. T. Cassia De Brito Galvao, Universidade Federal de Minas Gerais,
BRAZIL
Prof. Hilary I. Inyang, The University of North Carolina at Charlotte,
NC
Dr. Abidin Kaya, URS Corporation, Honolulu, HI
Prof. Jai-Young Lee, The University of Seoul, KOREA
Prof. Irene M.C. Lo, Hong Kong University of Science & Technology, Hong
Kong
Prof. Horace K. Moo-Young Jr., Villanova University, PA
Dr. Jouko Saarela, Finnish Environmental Institute, FINLAND
Prof. Robert W. Sarsby, The University of Wolverhampton, U.K.
Prof. Leonardo Zeevaert, Universidad Nacional Automoma de Mexico, MEXICO
Prof. Thomas F. Zimmie, Rensselaer Polytechnic Institute, NY
Hsai-Yang Fang
February 15, 2006
Web
Edition by:
Gustavo Borel Menezes, GIEES, UNC Charlotte
Simon Chung, GIEES, UNC Charlotte
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