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Topics
DRILLING-FLUID:
TRENCHLESS-REHABILITATION:
TRENCHLESS-CONSTRUCTION:
Slurry Pump Capacity & Flow Rates Explained: Sizing Slurry Pump Capacity to Match Project Conditions
BORING:
PIPE-MATERIAL:
TRENCHLESS-METHODS:
MAINTENANCE:
TUNNELING:
FRACTURE-MECHANICS:
TRENCHLESS-TECHNOLOGY:
HORIZONTAL-DIRECTIONAL-DRILLING:
GEOTECHNICAL-SITE-INVESTIGATION:
TESTING-METHODS:
IN-SITU-STRESS:
Dictionary
Newest Terms
- 10-Minute Gel
- 10-Second Gel
- 3-Axis Accelerometer
- Abrasion
- Abrasion And Scratch Resistance
- Abrasive Jetting Machinery
- Acceptable Quality Level
- Accepted Use
- Access Shaft
- Acid Attack
- Acid Bottle Technique
- Acidic Deposition
- Acoustic Emissions
- Acoustic Log Data Analysis
- Acre-Foot
- Actual Well Path
- Adapter Ring
- Adit
- Adjustable Choke
- Adjusting Construction
- Admixture
- Advance
- Advance Rate
- Aerial Sewer
- Aggressive Index
- Agitation Pump
- Agitator
- Air Excavation
- Air Rotary Casing Hammer Technique
- Air Rotary Drilling
- Air Sparging
- Air Stripping
- Air Tightness Test
- Alkaline
- Allowable Bend Radius
- American Association of State Highway and Transportation Officials
- American National Standards Institute, Inc.
- American Society of Civil Engineers
- American Society of Testing and Materials
- American Water Works Association
- Angular Deflection
- Angular Deviation
- Anisotropic Stress
- Annular Filler
- Annular Flow Pattern
- Annular Pressure
- Annular Space
- Annulus
- Anode
- Apparent Tensile Strength
- ArcInfo
- Arterials
- Asbestos Cement
- Asset Management Plan
- Associated Petroleum Gas
- ASTM F1697-18
- ASTM F1741-18
- Atterberg Limits
- Atterberg Limits Test
- Auger
- Auger Boring
- Auger Machine
- Auger String
- Auger Tunnel Boring Machine
- Autoclaves
- Automated Directional Drilling
- Automatic Steering System
- Available Water
- Axial Camera
- Axial Load
- Axial Tension Force
- Azimuth
- Azimuthal Acoustic Measurement
- Azimuthal Deviation
- Back Pressure
- Back Reamer
- Backdrop Manhole
- Backfill
- Backflow Device
- Backstop
- Backwater
- Backwater Level
- Bactericides
- Bank Storage
- Barlow's Equation
- Barrel Joint
- Barrel Reamer
- Bearing Strength
- Bedding
- Belly Pans
- Benched Excavation
- Benching
- Bending Moment
- Bent Sub
- Bentonite
- Berm
- Bidder
- Bingham Plastic Model
- Bioaugmentation
- Biochemical Oxygen Demand
- Biological Corrosion
- Biopolymer Mud
- Bioremediation
- Bitumen
- Blast Furnace Slag
- Blind Shield
- Blind Well
- Blowback System
- Blowout Preventer
- Bore
- Bore Casing
- Bore Salvage
- Bored Well
- Borehole
- Borehole Collapse
- Borehole Deformation Gauge
- Borehole Enlargement
- Borehole Fracture
- Borehole Integrity
- Borehole Narrowing
- Borehole Slotting
- Borescope
- Boring
- Boring Machine
- Boring Pit
- Bottom Hole Assembly
- Bottom Hole Treating Pressure
- Bottomhole Pressure
- Box and Pin Joint
- Box Caisson
- Box Jacking
- Branch Sewer
- Brazing
- Break Out
- Breakdown Pressure
- Breakout Position
- Breakout Wrench
- Bridge Plank
- Brittleness Temperature
- Brushless Motor
- Buckling
- Buffalo Gun
- Building Sanitary Drain
- Building Sewer
- Building Stormwater
- Bulk Density Test
- Buoyancy Factor
- Buoyancy Loads
- Burst Lining
- Burst Strength
- Bursting Head
- Bushing
- Butt Fusion
- Butt Weld
- Bypass
- Bypass Diameter
- Bypass Plug
- Bypass Pumping
- Cable Locators
- Cable Percussion Boring
- Cable Plough
- Caisson
- Caisson Shaft
- Calcite
- California Bearing Ratio
- Camera Centering Device
- Can
- Canadian Common Ground Alliance
- Cantilever
- Capillary Fringe
- Capillary Rise Method
- Capital Improvement Plan
- Carbon Footprint
- Carbonate Rocks
- Carriage
- Carried working interest
- Carrier Pipe
- Cascade System
- Cased Bore
- Casing
- Casing Adapter
- Casing Centralizer
- Casing End Seal
- Casing Patch
- Casing Pipe
- Casing Pipe Method
- Casing Point
- Casing Pusher
- Casing Scraper
- Casing Seat
- Casing String
- Cast Iron
- Cast Iron Bridge Plug
- Cast Iron Pipes
- Cast-In-Place Concrete
- Casting Basin
- Catalyst
- Catastrophic Rainfall
- Catch Basin
- Catchment
- Cathode
- Cathodic Corrosion
- Cathodic Protection
- Cation
- Cation Exchange Capacity
- Caulking
- Caustic
- Cavings
- Cavitation
- Cement Bond Log
- Cement Mortar Liner
- Cement Plug
- Cementation
- Cemented Soil
- Cenozoic Era
- Center for Underground Infrastructure Research and Education
- Centerline
- Central power station
- Centralizer
- Centre for Advancement of Trenchless Technologies (CATT)
- Centrifugal Pump
- Centrifuge
- Certainty Equivalent
- Chain Tongs
- Chalcedony
- Change Order
- Channeling
- Chelant
- Chemical Grouting
- Chemical Oxygen Demand
- Chemical Resistance
- Cherry Picker
- Chert
- ChevronTexaco Corporation
- Chimney Seal
- Chinese Finger
- Chipping
- Chloride stress cracking
- Chlorinated hydrocarbons
- Chlorosis
- Choke
- Choke Bean
- Choke Manifold
- Christmas Tree
- Chromatogram
- Chronic Rehabilitation
- Circumferential
- CIWEM Urban Drainage Group
- Clay Soil
- Clean Water Act
- Cleaning Systems
- Close Interval Potential Surveys
- Close-Fit Sliplining
- Closed Face
- Closed-Circuit Television
- Closed-Circuit Television Inspection
- Coagulation
- Coalbed Methane
- Cobbled Soil
- Coefficient Of Thermal Expansion
- Cofferdam
- Cohesionless Soil
- Cohesive Disturbed Sample
- Cohesive Soil
- Coiled Tubing
- Coiled Tubing Drilling
- Collaring
- Collection System
- Collector Sewer
- Collets
- Colloidal Materials
- Combined Sewer Overflow
- Combined Sewer System
- Comminution
- Common Ground Alliance
- Compaction
- Complex Directional Well
- Composite Materials
- Composite Pipe
- Compressed Air Method
- Compression Gasket
- Compression Ring
- Compressional Wave Velocity
- Compressive Deformation
- Compressive Strength
- Compressive Stress
- Compressor Unit
- Condensate to Gas Ratio
- Condition Assessment
- Conductor Barrel
- Conductor Casing
- Conduit
- Cone Bit
- Cone Crusher
- Cone Penetration Test
- Contact Angle
- Contact Grout
- Contact Grouting
- Continental Margin
- Continental Shelf
- Contingency Plan
- Contingent Resources
- Continuity
- Continuous Flow Gas Lift
- Continuous Gas Injection
- Continuous Sliplining
- Contracting Officer
- Control Console
- Control Line
- Control Parameter
- Convection Heat Transfer
- Conventional Gas
- Conventional Trenching
- Conventional Tunneling
- Conveyance
- Copolymer
- Copper Cote
- Corbel
- Core analysis
- Core Area
- Core Barrel
- Core Breaker
- Core Cutter Method
- Core Diameter
- Core Puller
- Core Sample
- Core Shovel
- Correlogram
- Corrosion
- Corrosion Coupon
- Corrosion Fatigue
- Corrosion Index
- Corrosion Inhibitor
- Corrosion Potential
- Corrosion Prevention
- Corrosion Rate
- Corrosion Resistance
- Corrugated Pipe
- Cost-Effective Alternative
- Counterboring
- Countersinking
- Covariance
- Crack Tip
- Cracks
- Cradle
- Cradle Bore
- Cradle Machine
- Crankshaft Drill
- Crawler
- Creep
- Crevice Corrosion
- Cricondentherm
- Critical buckling load
- Critical Components
- Critical flow rate
- Critical frequency
- Critical Sewers
- Critical Velocity
- Critically Refracted Wave
- Cross Bore
- Cross Flow
- Cross Members
- Cross Sectional Area
- Crosshole Test
- Crossing
- Crosslinking
- Crossover Sub
- Crown Block
- Crush Zone
- Cumulative Distribution Function
- Cumulative Production
- Cured-In-Place Pipe
- Curie Point
- Curved Drive
- Curved Microtunnel
- Cushion sub
- Cut and Cover
- Cut-and-Cover Trenching
- Cutter Wheel
- Cutterhead
- Cutting Bit
- Cutting/Cutter Head
- Cuttings
- Cuttings Reinjection
- Cycle Time
- Dam Board
- Damage Limitation
- Darmstadt Abrasion Resistance Test
- Data Logger
- Datum Plane
- Daylighting
- Dead Load
- Deadman
- Debris
- Delay Time
- Density Elastic Moduli
- Depleted Reservoir
- Desander
- Design Specification
- Design-Build
- Desilter
- Deviation
- Dewatering
- Diagnostic Fracture Injection Testing
- Diameter of Reamer
- Digger Shield
- Direct Connection
- Direct Current Voltage Gradient Measurement
- Direct Drive Motor
- Direct Induction
- Direct Pipe Tunneling
- Direct Shear Test
- Direct Wave
- Directional Boring
- Directional Drill
- Directional Drilling
- Directional Plan View
- Directional Survey
- Directional Survey Data
- Directional Survey Station
- Directional Well
- Discrete Sliplining
- Dog Plate
- Dogleg Angle
- Dogleg Severity
- Double Fluid Jet Grouting
- Double-Entry Well
- Down the Hole Hammer
- Downhole Drilling Assemblies
- Downhole Test
- Downhole Tooling
- Drag Bit
- Drag Force
- Drill And Blast Tunneling
- Drill Bit
- Drill Collar
- Drill Head
- Drill Path
- Drill Rig
- Drill Rod
- Drill String
- Drill String/Stem
- Drilling Fluid
- Drilling Fluid Control System
- Drilling Fluid Recovery Unit
- Drilling Waste Reduction
- Dripper
- Drive Shaft
- Drop Connection Manhole
- Drop Manhole
- Dry Boring
- Dry Hole
- Dry Weather Flow
- Du Nouy Ring Method
- Duct
- Duct Bank
- Ductile Iron Pipe
- Dynamic Cone Penetration Test
- Dynamic Contact Angle
- Dynamic Probing
- E-Glass Corrosion Resistant
- Earth Pressure Balance
- Earth Pressure Balance Machine
- Earth Pressure Balance Shield
- Earth Pressure Tunnel Boring Machine
- Easement
- Easement Access
- Eductor
- Effective Stress
- Efflux
- Egg Shape Plug
- Ejector Pump
- Elastic Modulus
- Elasto-Plastic Joint
- Electrical Conductivity Test
- Electrical Resistance Welding
- Electrofusion
- Electromagnetic Resistivity Test
- Electromagnetic Wave Measurement
- Elongation
- Embrittlement
- Emergency Callout System (ECS)
- Emergency Recovery Shaft
- Emergency Repair
- Encrustation
- End Section
- End-to-End Solution
- Endurance Limit
- Energy Gradient
- Entrance Pit
- Entrance Seal
- Entry Angle
- Entry Site
- Environmental Impact Assessment
- Environmental Stress Cracking
- EPDM Rubber
- Epoxy
- Epoxy Pipe Lining
- Equalizer
- Erosion
- Erosion Prevention Plan
- Estuary
- Excavator Bucket
- Excess Measured Depth
- Excessive Gel Strength
- Exfiltration
- Exit Angle
- Exit Pit
- Exit Seal
- Exit Side
- Exit Site
- Expander
- Expansion Cone
- Extended Leak Off Test
- Extrusion
- Extrusion Welding
- Fabrication
- Face Access
- Face Pressure
- Face Stability
- Factor of Safety
- Fairings
- Fall Line
- Falling Head Test
- Fatigue Cracking
- Fatigue Strength
- FDA Action Level
- Feedermain
- Felt Hat
- Female Hex Connector
- Fiber in Sewer
- Fiber-Reinforced Fabric
- Fiberglass Reinforced Epoxy
- Fiberglass Reinforced Pipe
- Field Data Logger
- Film Area
- Filter Cake
- Final Asphalt
- Final Drive
- Fishing
- Fixed Choke
- Flaring
- Flat Gel Strength
- Flat Jack Test
- Flexible Packer
- Flexible Stick
- Flexural Modulus
- Flexural Strength
- Flocculation
- Flocs
- Flow Control
- Flow Reduction
- Flow Simulation
- Flow Velocity
- Fluid Assisted
- Fluid Density
- Fluid Jet Cutting
- Fluid Loss Control
- Fluid-Assisted Boring
- Flushing Test
- Flux-Sensor Device
- Foam Drilling
- Focused Electrode Leak Location
- Fold & Form Lining
- Fold and Form Pipe Liner
- Force Main
- Force Tensiometry
- Formation Integrity Test
- Fouling
- Foundation Drain
- Frac-Out
- Fracking Gradient
- Fracture
- Fracture Mechanics
- Fracture Pressure Threshold
- Fracture Resistance
- Fracture-Close Pressure
- Fragmentation
- Free Boring
- Freeze-Thaw Cycle
- Friendly Drilling Software
- Front Locate Point
- Full Bench
- Fuzzy Drilling Direction Controller
- Fuzzy Logic
- Fuzzy Logic Controller
- Fuzzy Rule
- Fuzzy Set
- Galvanic Cell
- Galvanizing
- Gas Column Area
- Gas Detector
- Gas Injection Rate
- Gas Lift Method
- Gas Venting
- Gaseous Hydrocarbons
- Gasket
- Gathering Line
- Gathering System
- Gauge Cutter
- Gauging Station
- Gel Strengths
- Geographic Information System
- Geological Engineering
- Geological Survey
- Geomapping
- Geomechanical Study
- Geomorphic
- Geomorphology
- Geophone
- Geophysical Site Investigation Methods
- Geosteering
- Geotechnical Information
- Geotechnical Investigation
- Geotechnical Report
- Geothermal Energy
- Geothermal Loop System
- Gigant
- Girder
- Glass Fiber Liner
- Glass Fiber Reinforced Concrete
- Glass Reinforced Plastic
- Gradation
- Grade Adjustment Rings
- Grade Tolerance
- Granular Disturbed Sample
- Graphitization
- Gravity Sewer
- Grease Trap
- Greenhouse Effect
- Grinder Pump
- Ground Cover
- Ground Freezing
- Ground Improvement
- Ground Loss
- Ground Mat
- Ground Penetrating Radar
- Ground Plane
- Ground Rod
- Groundwater
- Groundwater Infiltration
- Groundwater Table
- Grout-in-Place Pipe
- Grouting
- Grouting Sleeve
- GRP Pipe
- Guidance System
- Guide Pulley Set
- Guide Rail
- Guided Auger Boring
- Guided Boring
- Guided Boring Machine
- Guided Boring Method
- Guided Drilling
- Gunite
- Gusher
- Gyro
- Gyro Navigation System
- Gyrocompass
- Half Bench
- Hammer Plate
- Hammer Testing
- Hand Crank
- Hand Excavation
- Hand Shield
- Hand Tunneling
- Hand Wheel
- Hard Rock Drilling
- Hardpan
- Hat Liner Packer
- Hazardous Material Container
- Heading
- Headwall
- Headwaters
- Heat Exchanger Surface
- Heave
- Heaving
- Heavy HDD Rig
- Heavy Wall Pipe
- Helicoid
- Helix Angle
- High Density Polyethylene
- High Pump Pressure
- High-Pressure Plug
- Highway Drain
- Holding Tank
- Hole Deviation
- Hole Deviation Log
- Holiday
- Holistic Repair
- Hoop Stress
- Horizontal Alignment
- Horizontal Auger Boring
- Horizontal Deviation
- Horizontal Directional Drilling
- Horizontal Earth Boring
- Horizontal Earth Boring Machine
- Horizontal Environmental Well
- Horizontal Rotary Drilling
- Host Pipe
- House Connection
- House Connection Manhole
- Hum Detector
- Hydraulic Capacity
- Hydraulic Cleaning
- Hydraulic Fracturing Test
- Hydraulic Gradient
- Hydraulic Jack
- Hydraulic Joints
- Hydraulic Pipe Ramming
- Hydraulic Radius
- Hydraulic Radius Calculation
- Hydraulic Radius Equation
- Hydro Excavation
- Hydro Hammer
- Hydro-Jetting
- Hydrofracture
- Hydrogen Blistering
- Hydrogen Induced Cracking
- Hydrogen Stress Cracking
- Hydrogen Sulfide
- Hydrogeologist
- Hydrolock
- Hydrostatic Design Basis
- Hydrostatic Test
- Hydrovac Excavation
- Hypochlorite
- Igneous Rock
- Ignition temperature
- Immersion
- Immobilization
- Impact Moling
- Impact Ramming
- Impact strength
- Impaired
- Impermeability
- Impregnation
- In-Line Microtunneling
- In-line Replacement
- In-Situ Resistance
- In-situ Seismic Wave Velocity
- In-Situ Stress
- In-Situ Stress Test
- Inadvertent Returns
- Inclination
- Inclinational Deviation
- Inclinometer
- Indirect Exploration Methods
- Industrial Radiography
- Inert material
- Inertial Guidance System
- Infiltration
- Infiltration/Inflow
- Inflated Oil Booms
- Inflow
- Inflow Dishes
- Inflow Pipe
- Inhibitor
- Injection Grouting
- Inside Diameter
- Inspection Event Number
- Inspection Services
- Integrated Frame and Cover System
- Intelligent Pigs
- Interceptor Sewer
- Interfit USA Lining
- Intergranular Stress Corrosion Cracking
- Interjack station
- Intermediate Jacking Station
- Intermediate Pipe Jacking Method
- Intermittent Gas Injection
- Internal Corrosion
- Internal Erosion
- Internal Inspection
- Internal Pipe Inspection
- Internal Point Repair
- International Ground Source Heat Pump Association
- International Society for Trenchless Technology
- Intersect Method
- Inversion Drum
- Inversion Sewer Lining
- Invert
- Invert level
- Jacking
- Jacking Force
- Jacking Frame
- Jacking Loads
- Jacking Pipe
- Jacking Pit
- Jacking Shaft
- Jacking Shield
- Jacking Station
- Jersey Barrier
- Jet Cutting
- Jet-Grouting
- Jetting
- Jetting Vehicle
- Joint Sealing
- Joint Wrap
- K-Rail
- Karst
- Kelly
- Kettle
- Keyholing
- Kip
- Kirsch Solution
- Klargester
- Labor-Intensive
- Laboratory Testing
- Lacustrine
- Lacustrine Wetland
- Lagging
- Lagoon
- Land Farming
- Langelier Saturation Index
- Large Diameter Tunneling
- Large Settlement
- Laser Profiling
- Laser Total Station System
- Lateral Connection
- Lateral Launch Camera
- Lateral Launch System
- Lateral Load
- Lateral Pipe Lining
- Lateral Rehabilitation
- Lateral Reinstatement
- Launch Pit
- Launch Seal
- Lead Pipe
- Leak Detection
- Length of Drill Rod
- Lid Gasket
- Lid Plugs
- Light Detection and Ranging (LiDAR)
- Light HDD Rig
- Line Belly
- Line Locating
- Lineal Deviation
- Linear Elasticity
- Liner
- Liner Flexural Strength
- Liner Installation
- Liner Plate
- Lining With Close-Fit Pipes
- Lining With Continuous Pipe
- Lining with cured-in-place pipes
- Lining With Discrete Pipes
- Lining With Inserted Hose
- Lining With Pipe Segments
- Lipping
- Liquefaction
- Liquid Hydrocarbons
- Live Line
- Live Load
- Load Sensing Hydraulics
- Localized Repair
- Longitudinal Stress
- Lost Circulation Material
- Love Waves
- Low Frequency Seismic Energy
- Low Gel Strength
- Lubrication
- Machine Roller
- Magnetic Flux Leakage
- Magnetic Pipeline Screening
- Magnetic Wireline Steering
- Magnetometer
- Main Sewer
- Mains Rehabilitation
- Maintenance Hole System
- Major Ion
- Make Up
- Make-Up Time
- Male Hex Connector
- Man-Accessible
- Manhole
- Manhole Chimney
- Manhole Cover
- Manhole Rehabilitation
- Manhole-to-Manhole Lining
- Manning’s Formula
- Manual Inspection
- Master Casing Pusher
- Mat
- Maxi-Rig
- Maximum Horizontal Stress
- Measurement While Drilling
- Mechanical Drift Recorder
- Mechanical Spot Repair
- Mechanical Wave Measurement
- Metering Facility
- Microtunnel
- Microtunnel Boring Machine
- Microtunnel Shield
- Microtunneling
- Mid weld
- Midi-Rig
- Milling
- Milling Robot
- Million Cubic Feet Per Day
- Mini Fracture Test
- Mini-Horizontal Directional Drilling
- Mini-Rig
- Minimum Horizontal Stress
- Minimum In-Situ Stress
- Mixed Face
- Modified Sliplining
- Mogi-Coulomb Criterion
- Mohr-Coulomb Criterion
- Mole
- Monel
- Monolithic Slab-On-Grade
- Monolithic Structure
- Mountain Crossing
- Muck
- Mud Balance
- Mud Bucket
- Mud Engineer
- Mud Flow
- Mud Hopper
- Mud Loss
- Mud Mix
- Mud Mixing Tank
- Mud Motor
- Mud Pump
- Mud Recycling Unit
- Mud Rotary Drilling
- Mud Swivel
- Mud Wall
- Mud Weight
- Narrow Trenching
- Natural Levee
- Navigable Water
- New Austrian Tunneling Method
- New Installation
- Nitrate
- No-Dig Repair
- Node
- Nominal Diameter
- Nominal Pipe Size
- Non-Aqueous Fluid
- Non-Associated Petroleum Gas
- Non-Destructive Evaluation
- Non-Destructive Testing
- Non-Homogenous Stress
- Non-Mag
- Non-Vertical Bore Path
- North American Society for Trenchless Technology
- Nuclear Waste Storage
- Occupational Safety and Health Administration
- Office of Water
- Offset Joint
- Offstream Use
- Oil Production Rate
- Oil-Based Drilling Mud
- On-line Tank
- Open Caisson
- Open Cut
- Open Face Shield
- Open Shield
- Optical Tensiometry
- Outer Diameter
- Outflow Pipe
- Over Bend
- Overburden Pressure
- Overcoring
- Overcut
- Packer
- Palustrine Wetland
- Pan and Tilt Camera
- Partially Hydrolyzed Polyacrylamide
- Partially Separate System
- Pearson Survey
- Percussion Cycle
- Percussion Drilling
- Percussion Hammer
- Permeability
- Personal Protective Equipment
- Petrochemical Plant
- Petroleum Extraction
- Photogrammetry
- Piezometer
- Pigging
- Pillow Type Plug
- Pilot
- Pilot Bore
- Pilot Hole
- Pilot Tube Method
- Pilot Tube Microtunneling
- Pin down
- Pin up
- Pipe Bursting
- Pipe Dope
- Pipe Eating
- Pipe Heavy
- Pipe in Pipe System
- Pipe Jack Eye
- Pipe Jacking
- Pipe Joints
- Pipe Lubricant
- Pipe Penetrating Radar
- Pipe Pulling
- Pipe Ramming
- Pipe Rehabilitation
- Pipe Rupture
- Pipe Segment
- Pipe Splitting
- Pipe Sticking
- Pipeline and Hazardous Materials Safety Administration
- Pipeline Integrity
- Pipeline Survey
- Pipelining
- Piston
- Pit Pump
- Pitch
- Plastic Limit
- Plastic Viscosity
- Plasticity
- Plate Load Test
- Plug
- Plug For Manhole
- Plugs With Bypass For Larger Flows
- Pneumatic Caisson
- Pneumatic Drilling Fluid
- Pneumatic Ejector
- Pneumatic Jack
- Pneumatic Pipe Bursting
- Pneumatic Pipe Ramming
- Poisson’s Ratio
- Polly Foam
- Polycaprolactone Thermoplastic Polyurethane
- Polycrystalline Diamond Compact Bit
- Polyester Thermoplastic Polyurethane
- Polyether Thermoplastic Polyurethane
- Polyethylene
- Polymer Concrete
- Polymer Drilling Fluid
- Polypropylene
- Polyvinyl Chloride
- Positive Displacement Blower
- Possum Belly
- Pot Shots
- Potential Difference
- Potential Probes
- Potholing
- Prairie Dog Drill
- Pre-Ream
- Precast Adjustment Unit
- Preconditioning Work
- Preliminary Geological Data
- Preparatory Cleaning
- Pressure Compensated Hydraulics
- Pressure Equalization
- Pressure Head
- Pressure Plate
- Pressure Test
- Pressurized Tunnel Bore Machines
- Proctor Compaction Test
- Product Pipe
- Products Management Committee (PMC)
- Progressive Gel Strength
- Protrusion
- Public Private Partnership
- Pull Pressure
- Pull-Back
- Pull-Back Force
- Pullback
- Pulling Head
- Pump Capacity
- Push Camera
- Push Reaming
- Push Ring Adapter
- Push Rod Camera
- Quintaplex
- Radial Displacement
- Radial Stress
- Radio-Frequency Identification
- Radius of Curvature
- Rail System
- Ramp Manhole
- Rate of Penetration
- Rayleigh Wave
- Reaeration
- Reamer
- Rebar
- Rebar Corrosion
- Rebated Joint
- Receiving Pit
- Receiving Water
- Reclaimer
- Reconnaissance
- Reflected Wave
- Regulatory Impact Analysis
- Reinforced Concrete
- Reinforced Concrete Pipe
- Relative Axial Strain
- Relative Change in Vertical Deviation
- Relative Density
- Relative Lateral Strain
- Relining
- Remote Control System
- Remote Inspection
- Remote Sensing
- Reserve Pit
- Resilient-Rubber
- Resin Injection
- Resource Conservation and Recovery Act
- Reverse
- Reverse Circulation Hammer
- Reversible Heat Pump
- Reynolds Number
- Rheological Properties
- Rig Side
- Rig Up Package
- Rigid Pipe
- Ring Stiffness
- Riser Section
- Rising Head Test
- Risk Assessment
- Road Header
- Robotic Cutting
- Rock Bolts
- Rock Burst
- Rock Failure Criterion
- Rock Mechanics
- Rod Pushing
- Rotary Rod Machine
- Rotary Table
- Rubber Cap
- Rubber NBR
- Safety Training
- Saline Water
- Saltwater Drilling Fluid
- Sandy Soil
- Sanitary Sewer
- Sanitation
- Saturated Zone
- Scope Creep
- Screen
- Secant Piling Method
- Sediment
- Seeper
- Segmental Concrete Tunnel Liners
- Segmental Sliplining
- Seismic Refraction
- Seismic Trace Components
- Seismic Velocity Ratio
- Self-Leveling Camera
- Sequential Excavation Method
- Service Connection
- Sessile Drop Method
- Settlement
- Settlement Control
- Settlement Tank
- Sewer Cleaning
- Sewer Force Mains
- Sewer Network
- Sewer Pipe
- Sewer Plug
- Sewer Rehabilitation
- Sewer System Evaluation Survey
- Sewer Tightness
- Shaker
- Shear Box Test
- Shear Rate
- Shear Strength
- Shear Stress
- Shear Wave Velocity
- Shield
- Shield Method
- Shield Tunneling Method
- Shoring
- Short-Term Bending Stress
- Shotcrete
- Shotcrete Equipment
- Shrinkage Limit
- Shut-In Pressure
- Silt
- Single Fluid Jet Grouting
- Single Screw Extruder
- Site Investigation
- Site Topography
- Site-Poured Concrete
- Skid
- Skin Friction
- Slab-On-Ground Applications
- Slabs-On-Grade
- Sleeve
- Slick Boring
- Sliplining
- Slot Trenching
- Slug Area
- Slurry
- Slurry Boring
- Slurry Chamber
- Slurry Line
- Slurry Separation
- Slurry Shield Method
- Slurry Tunnel Boring Machine
- Small Boring Unit
- Soft-Ground Tunneling
- Soil Bearing Capacity
- Soil Conditioning
- Soil Denisty
- Soil Heaving
- Soil Resistivity
- Soil Stabilization
- Soil Vapor Extraction
- Soldier Pile And Lagging
- Soldier Piles and Lagging
- Solid Content
- Sonar Profiling
- Sonde
- Sonde Housing
- Sound Attenuation Wall
- Spacer
- Spacer Block
- Spectral Analysis of Surface Waves
- Spider Sub
- Spigot Joint
- Spiral Lining
- Spiral-Wound Liners
- Split Barrel Sampler
- Split Design
- Spoil
- Spot Repair
- Spotting Procedure
- Spray Lining
- Spray-in-Place
- Staging Area
- Standard Dimensional Ratio
- Standard Drawings
- Standard Penetration Test
- Static Cone Penetration Test
- Static Contact Angle
- Static Loads
- Static Pipe Bursting
- Static Probing
- Static Push
- Steel Pipe
- Steel Sleeve
- Steel Tooth Bit
- Steel-Banded Joint
- Steerable Auger Boring
- Steering hand
- Steering Head
- Step-Down Test
- Stoner Engineering Software
- Storm Drain
- Storm Sewer
- Stormwater
- Strain Gauge
- Stress Corrosion Cracking
- Stress Sensitivity
- Structural Lining System
- Structural Renovation
- Sub Shim
- Subsidence
- Subterranean Lines
- Sump
- Sump Pump
- Supported Slab-On-Grade
- Surface Drilling Rig
- Surface-Treating Pressure
- Survey Tools
- Suspension Logging
- Swab the Hole
- Swagelining
- Swivel
- Synthetic-Based Drilling Mud
- Systematic Settlement
- Tail String
- Tail Void
- Tailings
- Tank Sewer
- Taper
- Tapping
- Target Pipe
- Target Shaft
- Tarn
- Taxa Richness
- Taxon
- Technical Hole Deviation
- Technical Hole Deviation Technology
- Technique Family
- Telescopic Cast Iron Frame
- Tensile Deformation
- Tensile Force
- Test Bore
- Test Pitting
- The National Association of Corrosion Engineers
- The Pipe Express Method
- The Road Authority (TRA)
- Thermal Desorption
- Thermoformed Pipe
- Thermoplastic Polyurethane
- Thermosetting Resin
- Thread Compound
- Three-Cone Rolling Cutter Bit
- Thrust Block
- Thrust Boring
- Thrust Force
- Thrust Jacking Method
- Thrust Pit
- Thrust Plates
- Thrust Ring
- Thrust Wall
- Tightness Testing
- Timber Posts
- Tongs
- Tool Crib
- Tool Force Magnitude and Orientation
- Toolface Angle
- Torque
- Toxic Substance Control Act
- Tracer Wire System
- Track Bore
- Trail Rod
- Transmission Line
- Transmitter
- Transverse Strain
- Tree Root Infiltration
- Trench Box
- Trencher
- Trenching
- Trenchless Construction
- Trenchless Pipeline Removal
- Trenchless Rehabilitation
- Trenchless Repair
- Trenchless Shoring
- Trenchless Technology
- Trenchless Tunneling
- Trial Pit
- Triaxial Consolidated Undrained Compression Test
- Triaxial Unconsolidated Undrained Compression Test
- Tricone Bit
- Triple Fluid Jet Grouting
- Triplex Pump
- Trunk Sewer
- Tube Body
- Tuberculation
- Tungsten Bit
- Tunnel Boring Machine
- Tunnel Face
- Tunnel Grouting Systems
- Tunnel Lubrication Systems
- Tunneling Association of Canada
- Tunneling with Segments
- Turbulent Flow
- Two-Phase Flow
- Ultrasonic Inspection
- Ultraviolet Light Curing System
- Un-Ionized Ammonia
- Uncased bore
- Unconfined Aquifer
- Unconfined Compression Test
- Unconsolidated Deposit
- Underground Construction Technology Association
- Underground Planning
- Underground Transmission Lines
- Underground Utilities
- Understory
- Unibody Pig
- United States Environmental Protection Agency
- Upward Pipe Deflection
- Utility Corridor
- Utility Location
- UV Curing
- UV Light-Curing Technology
- Vacuum Excavation
- Vacuum System
- Vadose Zone
- Value Of Life
- Value Of Time
- Valve Station
- Vane Shear Test
- Vapor Plume Migration
- Vermeer
- Vernal Pool
- Vertical Alignment
- Vertical Deviation
- Vertical Drill Rig
- Vertical Stress
- Vibratory Plow
- Video Inspection
- Virgin Material
- Viscometer Data
- Viscosity
- Vise Dies
- Vitrified Clay Pipe
- Walk Over
- Walkover System
- Wash Boring
- Washover Pipe
- Waste Disposal Regulations
- Wastewater
- Wastewater Planning Users Group
- Wastewater Planning Users Group Code Of Practice
- Wasteway
- Water Budget
- Water Column
- Water Flushing
- Water Jetting
- Water Main
- Water Prism
- Water Table
- Water Well Drilling
- Water-Based Drilling Mud
- Watercourse
- Watercourse Crossing
- Weeper Sub
- Weight on Bit
- Wellbore Excavation
- Wellbore Stability
- Wellbore Strength
- Wellhead
- Wellhead Treating Pressure
- Wellsite
- Wenner 4-Point Test Method
- Western Canadian Sedimentary Basin
- Wetted Perimeter
- Wilhelmy Plate Method
- Wing Cutter
- Wireline
- Wireline Operator
- Wrapped Casing
- Wrapping Technology
- Wrench
- Yield Point
- Yield Strength
- Young's Modulus
- Zero-Zero Gels Mud
