Transcript Slides Presentation PoliTo 2

POLITECNICO DI TORINO
Post Graduated Master Course
TUNNELLING AND TUNNEL BORING MACHINES
Subject of the lesson : TBM Sections Concepts
Lecturer : René Raúl Ramírez Vázquez
Golden Sponsors
Sponsors
Academic Year: 2009-10
POLITECNICO DI TORINO
TBM Sections
Cutting head
Main Drive
Screw Conveyor
Ground Conditioning System
Sealing System
Grout Injection
Erector and Segment Handling
Academic Year: 2009-10
Post Graduate Master Course
TUNNELLING AND TUNNEL BORING MACHINES
POLITECNICO DI TORINO
TBM Requirements
Design
Needs
Eng.
Specifics
Lovat
User
Installation
Academic Year: 2009-10
Post Graduate Master Course
TUNNELLING AND TUNNEL BORING MACHINES
POLITECNICO DI TORINO
Cuttinghead Section
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Face Support
Soil Cutting
Material Inflow
Early Soil Conditioning
Soil Type Consideration
Tunnel Length
• Ripper Tooth Change
• Disc Cutter Change
• Wear Indicator
Need
Options
Operation
Design
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Soft/Rock/Mix Face
Rippers/Disc Cutters
GCS Ports
Flood Doors
Face Opening
Center Nose Cone
Typical Layouts
1. with Flood Doors
2. Soft Ground
3. Mix Face
4. Rock Face
Academic Year: 2009-10
Post Graduate Master Course
TUNNELLING AND TUNNEL BORING MACHINES
POLITECNICO DI TORINO
Main Drive
Requirements:
1,294
• Bearing Types
• Speed
– Torque Ratio Less Maintenance
100% Efficiency
• Gear Box Capacity
• Power
Installed
Power
1,229
1,035
• Hydraulic
Drive
• Geology
Cleaner
kWDrive
• 1600
Electric
• Knowledge
Environment
983
• TBM Diameter
Need
Options
Electric Drive Delivered Ergonomics
Advantage
Improved
Operation
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Thrust Interlock
Temperature Control
Sealing System
Oil Samples
518
Higher Efficiency
Better Torque
Response
534
Design
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Large Diameter Rollers
High Capacity Gears
Torque vs. Speed Curve
Layout
Academic Year: 2009-10
Post Graduate Master Course
TUNNELLING AND TUNNEL BORING MACHINES
POLITECNICO DI TORINO
Screw Conveyor
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Geology
Length Sealing Plug
Speed and Power
Capacity
Wear
Ground Conditioning
Pressure Monitor
Extension into Chamber
Pressure Monitor
Ground Conditioning
Caliper Gates Operation
Need
Options
Operation
Design
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Location Flexibility
Multiple Drives
Multiple Injection Ports
Emergency Closure
Reinforced Auger Tip
Case Protection
EPB Cells
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Peripheral
Central
Screw and Belt
Screw with Muck Pump
Long Screw Conveyor
Academic Year: 2009-10
Post Graduate Master Course
TUNNELLING AND TUNNEL BORING MACHINES
POLITECNICO DI TORINO
Ground Conditioning
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Reduce Cutting Friction
Power Reduction any ROA
Minimize Tools Wear
Prevention of Clogging
Pressure Balance at Face
Rapid Response
Additives Selection
Operation Parameters
Control Selection
Total Usage
Need
Options
Operation
Design
Injection points:
• Cuttinghead Face
• Cuttinghead Chamber
• Spoil Removal System
• Outside Tunnel Shield
• Water High Pressure
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Maximum Capacity
Min & Max Rate
Number of Lines
Dosing Pumps
Tanks
Air Compressor Capacity
Transfer Pumps
Academic Year: 2009-10
Post Graduate Master Course
TUNNELLING AND TUNNEL BORING MACHINES
POLITECNICO DI TORINO
Sealing Systems
Active Articulation
Elements to be controlled:
• Ground water
• Surrounding ground
• Ground Conditioning
•MainGrout
Drive Seal
Passive Articulation
Need
Options
Trailing Shield
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Main Drive Sealing
Active Articulation Seal
Passive Articulation Seal
Trailing Shield Sealing
v
Operation
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Main Drive Pressurized Seal
Automatic Tail Seal Grease Injection
GROUTAcademic
LINE
REF.
Design
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Multiple Stage Bearing Sealing
Positively Pressurized Automatic Sealing
Profile Rubber Seals
Emergency Seal Systems
Multiple Rows Wire Brush Tail Seals
Year: 2009-10
Post Graduate Master Course
TUNNELLING AND TUNNEL BORING MACHINES
POLITECNICO DI TORINO
Grout Injection
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Lining Support
Minimize Settlements
Improve Lining Sealing
Transfer
Storage Capacity
• Segments Grout Injection
• Tail Shield Gout Injection
Need
Options
Operation
Design
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Trailing Shield Injection
Segment Injection
Multiple Injection Points
Volume Controlled
Pressure Controlled
Grout Transfer Pumps
Deposits with Agitators
Typical Setups:
• Peristaltic Pumps
• Piston Pumps
• Two Part Injection
Academic Year: 2009-10
Post Graduate Master Course
TUNNELLING AND TUNNEL BORING MACHINES
POLITECNICO DI TORINO
Erector and Segment Handling
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Storage Area
Loading Sequence
Segment Design
Optimal Key Position
Capacity
Ring Build Cycles
Erector Movements:
• Translation
• Radial
• Rotation
• Pitch
• Roll
• Yaw
Need
Options
Operation
Design
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1 or 2 Full Rings Storage
Autorotation Segment Cars
Various Pick-Up Methods
Guidance System Interface
Multiple Ring Build Stations
Electro-Hydraulic Controls
Remote Radio Controls
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Ring Type Erector
Arm Type Erector
Bulkhead Supported
Ball and Cup Pick-Up
Vacuum Pick-Up
Academic Year: 2009-10
Post Graduate Master Course
TUNNELLING AND TUNNEL BORING MACHINES
POLITECNICO DI TORINO
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Academic Year: 2009-10
Post Graduate Master Course
TUNNELLING AND TUNNEL BORING MACHINES