Trenchless Methods - Chart and Descriptions

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Allied Techniques

Conventional Tunneling
Drill and Blast
Mini-trench / Micro-trench
Mole Ploughing
Other Technologies
Reduced Surface Disturbance
Soft-ground Shield
Soil/Rock TBM

Trenchless Methods

Alignment / Guidance
Auger
Auger Boring
Bent Sub
Conveyor
Curved / Gyroscopic
Direct Steerable Pipe Thrusting (DSPT)
Drilling/Steering Mechanism
Earth-Pressure Balance (EPB)
Face Support
Guidance
Horizontal Directional Drilling (HDD)
Hybrid Methods
Impact Moling
Maxi-HDD
Method scale
Midi-HDD
Mini-HDD
Muck Cart
Non-Person-Entry
Other
Person-Entry
Pilot Tube
Pipe Jacking / Microtunnelling
Pipe Ramming
Ram-assist Technologies
Ramming / Impact
Size
Slant-face drill bit
Slurry
Sonde
Spoil Handling
Straight / Laser
Wireless
Wireline

Replacement

Assist Techniques
Continuous Pipe
Existing Pipe Displaced
Existing Pipe Removed
Expander / Hammer Configuration
Fully-independent Rehabilitation
Pipe Bursting
Pipe Eating
Pipe Extraction
Pipe Fracture Mechanism
Pipe Reaming
Pipe Splitting
Pneumatic / Hydraulic Hammer
Replacement Slip Lining
Static Pull
With Pipe Segments
Within Existing Pipe

Renovation / Repair

Cement / Mortar Lining
Close-fit Lining
Cured-in-place Lining (CIPP)
Flood Grouting
Inserted Liner
Inserted Seals
Joint Grouting
Loose-fit or Close-fit Lining
Non-structural (Sealing)
Other Close-fit Lining
Panel Lining
Polymeric Coating / Lining
Potholing for Local Repair
Renovation
Repair
Robotic Spot Repair
Short Liner / Connection Liner
Structural
Surface-applied Lining
Troweled or Sprayed Structural Lining

Site Investigation

Asset Environment
Asset Location
Asset Tracing
Depth / Elevation
Electrical Tomography
Electromagnetic Environment
Geochemical Survey
Geophysical Survey
Ground Investigation
Groundwater Monitoring
Impressed Signal Techniques
Internal Survey Techniques
Other Methods
Potholing
Precise Coordinates
Quality
Resistivity Measurements
Seismic / Sonar Techniques
Soil Sampling
Sonde Techniques
Surface-based Techniques
Thermal Environment

Asset Condition

Aboveground Surveys
Acoustic Methods
Acoustic Sensors
CCTV
Composition
Continuous Pipe
Crawler Platform
Curing Process
Deployment Methods
Discrete Stress-Strain Sensors
Drone
Electromagnetic Methods
External Void Detection
Fiber Optic Sensors
Float / Submersible
Flow Quality (Chemical / Biological)
Flow Quantity Monitoring
Ground Penetrating Radar (GPR)
Grout-in-place Sheet Lining
In-pipe Camera Observation
In-pipe GPR
Infiltration / Inflow (Gravity Pipes)
Infrared Scanning
Inserted Hose
Inserted Pipe
Insertion Process
Inspection Application
Investigation / Assessment
Laser / LIDAR
Lateral / Small Pipe Inspection
Leak Detection (Pressure Pipes)
Leak Signature Detection
Localized Sealing
Mainline Pipe / Tunnel Inspection
Manhole / Chamber Inspection
Mechanical
Nozzle Camera
Nuclear Methods
Operational Performance Assessment
Overflow Detection
Preliminary Inspection
Pressure Monitoring and Detection
Push-Pull Satellite Camera
Rehabilitation
Reinforcement
Renovation Slip Lining
Sliplining
Smoke and Dye
Spiral-Wound
Spoil Handling Slurry
Structural Condition Assessment
Structural Response Sensors
System Flow Monitoring
Techniques
Thermal
Thermal-Mechanical
Ultrasound Methods
Valves, Safety Equip, Appurtenances
Visual/Laser Inspection
Wall Condition / Thickness
Wall Impact Methods
With Pipe Segments
Zoom Camera
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