Post Graduated Master Course TUNNELLING AND TUNNEL BORING MACHINES Subject of the lesson : TBM...

Post Graduated Master Course TUNNELLING AND TUNNEL BORING

MACHINESSubject of the lesson : TBM Sections Concepts

Lecturer : René Raúl Ramírez Vázquez

Golden Sponsors

Sponsors

POLITECNICO DI TORINO

Academic Year: 2009-10

Academic Year: 2009-10Post Graduate Master Course

TUNNELLING AND TUNNEL BORING MACHINES


TBM Sections




TBM Requirements

NeedsNeedsDesignDesign

InstallationInstallation

Eng. Specifics

Eng. Specifics




Cuttinghead Section• Face Support• Soil Cutting• Material Inflow• Early Soil Conditioning• Soil Type Consideration• Tunnel Length

• Face Support• Soil Cutting• Material Inflow• Early Soil Conditioning• Soil Type Consideration• Tunnel Length

• Soft/Rock/Mix Face• Rippers/Disc Cutters• GCS Ports• Flood Doors• Face Opening• Center Nose Cone

• Soft/Rock/Mix Face• Rippers/Disc Cutters• GCS Ports• Flood Doors• Face Opening• Center Nose Cone

Typical Layouts1.with Flood Doors2.Soft Ground3.Mix Face4.Rock Face

Typical Layouts1.with Flood Doors2.Soft Ground3.Mix Face4.Rock Face

• Ripper Tooth Change• Disc Cutter Change• Wear Indicator

• Ripper Tooth Change• Disc Cutter Change• Wear Indicator




Main DriveRequirements:•Speed – Torque Ratio•Power•Geology•Knowledge•TBM Diameter

Requirements:•Speed – Torque Ratio•Power•Geology•Knowledge•TBM Diameter

• Bearing Types• Gear Box Capacity• Hydraulic Drive• Electric Drive

• Bearing Types• Gear Box Capacity• Hydraulic Drive• Electric Drive

• Large Diameter Rollers• High Capacity Gears• Torque vs. Speed Curve• Layout

• Large Diameter Rollers• High Capacity Gears• Torque vs. Speed Curve• Layout

• Thrust Interlock• Temperature Control• Sealing System• Oil Samples

• Thrust Interlock• Temperature Control• Sealing System• Oil Samples




Screw Conveyor• Geology• Length Sealing Plug• Speed and Power• Capacity• Wear• Ground Conditioning• Pressure Monitor

• Geology• Length Sealing Plug• Speed and Power• Capacity• Wear• Ground Conditioning• Pressure Monitor

• Location Flexibility• Multiple Drives• Multiple Injection Ports• Emergency Closure • Reinforced Auger Tip• Case Protection• EPB Cells

• Location Flexibility• Multiple Drives• Multiple Injection Ports• Emergency Closure • Reinforced Auger Tip• Case Protection• EPB Cells

• Peripheral• Central• Screw and Belt • Screw with Muck

Pump• Long Screw Conveyor

• Peripheral• Central• Screw and Belt • Screw with Muck

Pump• Long Screw Conveyor

• Extension into Chamber• Pressure Monitor• Ground Conditioning• Caliper Gates Operation

• Extension into Chamber• Pressure Monitor• Ground Conditioning• Caliper Gates Operation




Ground Conditioning• Reduce Cutting Friction• Power Reduction any ROA• Minimize Tools Wear• Prevention of Clogging• Pressure Balance at Face• Rapid Response

• Reduce Cutting Friction• Power Reduction any ROA• Minimize Tools Wear• Prevention of Clogging• Pressure Balance at Face• Rapid Response

Injection points:•Cuttinghead Face•Cuttinghead Chamber•Spoil Removal System•Outside Tunnel Shield•Water High Pressure

Injection points:•Cuttinghead Face•Cuttinghead Chamber•Spoil Removal System•Outside Tunnel Shield•Water High Pressure

• Maximum Capacity• Min & Max Rate• Number of Lines• Dosing Pumps• Tanks• Air Compressor Capacity• Transfer Pumps

• Maximum Capacity• Min & Max Rate• Number of Lines• Dosing Pumps• Tanks• Air Compressor Capacity• Transfer Pumps

• Additives Selection• Operation Parameters• Control Selection• Total Usage

• Additives Selection• Operation Parameters• Control Selection• Total Usage




Sealing Systems

Elements to be controlled:•Ground water•Surrounding ground•Ground Conditioning•Grout

Elements to be controlled:•Ground water•Surrounding ground•Ground Conditioning•Grout

• Main Drive Sealing• Active Articulation Seal• Passive Articulation Seal• Trailing Shield Sealing

• Main Drive Sealing• Active Articulation Seal• Passive Articulation Seal• Trailing Shield Sealing

• Multiple Stage Bearing Sealing • Positively Pressurized Automatic Sealing• Profile Rubber Seals• Emergency Seal Systems• Multiple Rows Wire Brush Tail Seals

• Multiple Stage Bearing Sealing • Positively Pressurized Automatic Sealing• Profile Rubber Seals• Emergency Seal Systems• Multiple Rows Wire Brush Tail Seals

• Main Drive Pressurized Seal• Automatic Tail Seal Grease Injection• Main Drive Pressurized Seal• Automatic Tail Seal Grease Injection

Active ArticulationActive Articulation Passive ArticulationPassive Articulation Trailing ShieldTrailing Shield

Main Drive SealMain Drive Seal

vv

GROUT LI NEREF.

2. 00

OVERLAPTYPI CAL

TRAI LI NG SHI ELD FLAPS




Grout Injection• Lining Support• Minimize Settlements• Improve Lining Sealing• Transfer • Storage Capacity

• Lining Support• Minimize Settlements• Improve Lining Sealing• Transfer • Storage Capacity

• Trailing Shield Injection• Segment Injection• Multiple Injection Points• Volume Controlled• Pressure Controlled• Grout Transfer Pumps• Deposits with Agitators

• 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

Typical Setups:•Peristaltic Pumps•Piston Pumps•Two Part Injection

• Segments Grout Injection• Tail Shield Gout Injection• Segments Grout Injection• Tail Shield Gout Injection




Erector and Segment Handling• Storage Area• Loading Sequence• Segment Design • Optimal Key Position• Capacity• Ring Build Cycles

• Storage Area• Loading Sequence• Segment Design • Optimal Key Position• Capacity• Ring Build Cycles

• 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

• 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

• Ring Type Erector• Arm Type Erector• Bulkhead Supported• Ball and Cup Pick-Up• Vacuum Pick-Up

• Ring Type Erector• Arm Type Erector• Bulkhead Supported• Ball and Cup Pick-Up• Vacuum Pick-Up

Erector Movements:•Translation•Radial•Rotation•Pitch •Roll•Yaw

Erector Movements:•Translation•Radial•Rotation•Pitch •Roll•Yaw




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Post Graduated Master Course TUNNELLING AND TUNNEL BORING MACHINES Subject of the lesson : TBM...

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