Plant Visit TBM Demonstration Herrenknecht Schwanau, Germany June, 2005

1
Plant Visit TBM Demonstration Herrenknecht
Schwanau, Germany June, 2005

• June 2005 Metro Goldline Eastside Extension
  Project

2
Metro Los Angeles ELRT ProjectMarj and Suzie
June 2005
3
General Layout EPB Shield
4
TBM Profile
5
Discussion

• Cutting Wheel
• Pressure Chamber
• Screw Conveyor
• Foam Injection Steering and Thrust Systems
• Segment Handling

• Backfill Grout System
• Grout Mixing
• Wear Detection
• Operators Room
• Air Locks

6
Other Projects

• Herrenknecht Plant Tour
• Katzenberg Tunnel, Germany
• Calle 30 TBM for Madrid, Spain

7
Cutterhead Disc and Opening Tools
Disc Cutters can be added
8
View of Trailing Gear
Rollers on Tunnel Lining
9
Screw Conveyor at Pressure Chamber
Inlet Gates
Screw Conveyor
10
Inside Pressure Chamber
Backloading disc cutters
Mixing Bars
11
Screw Conveyor Second and Third Sections
Inspection Hatch
Color coded piping systems
12
Screw Conveyor at First Joint and Discharge End
13
Screw Conveyer Casing
(Feb-05)
14
Screw Conveyor - without casing
(Feb-05)
15
Pressure Cell on Screw Conveyor
16
Foam Injection System
Entering Cutterhead Chamber
foam component lines
17
Drive Motors similar machine
(Feb-05)
18
Main Bearing in Fabrication (Similar TBM)
(Feb-05)
19
TBM Thrust System
20
Thrust Jacks Within Shield
Propel Cylinders
21
Jacks and Shoes similar TBM
(Feb-05)
22
16 Pairs of Propel Jacks ELRT TBM
23
Articulation Joint
24
Segment Trolley
Trolly Hoist
25
Segment Magazine
26
Segment Erector / Vacuum Lift
Note Double Gasket Grooves
27
Segment Control
Vacuum erector without segment
Radio or remote control for ring assembly
28
Tail Seal Grout Ports
Two Ports at four locations around shield
29
Backfill Grout Lines and Tail Seal Brushes
Wire brushes to be attached
grout lines to shield
30
Backfill Grouting System in Tail Shield
Grout Ports in Shield
31
Backfill Grout Mixers and Automatic Controls
Mixing Tanks on Trailing Gear
32
Wear Detection
Cutting Wheel Wear
Muck Bucket wear
33
Operators Room
Example monitoring screen
34
Airlock before Installation on TBM
(Feb-05)
35
Materials Lock
36
Plant Tour
37
Slurry TBM with Stone Crusher
38
Weinerwald Rail Tunnel TBMs
39
Microtunnels (less than 12-ft dia.)
40
Directional Drilling
41
Machine Recycling
42
Katzenberg Rail TunnelEPB Machine
43
Cutterhead at Face
44
Screw Conveyor at Chamber
45
Wire Brush Seals
46
TBM Breakout Frame
47
Segment Plant at Site
48
Largest EPB TBM in World in Fabrication
49
52-ft. dia. for Calle 30, Madrid
Eli Choueiry