1. Post Graduated Master Course TUNNELLING AND TUNNEL BORING MACHINES Subject of the lesson : RME238 series 21300 Metro Seville Lecturer : René Raúl Ramírez Vázquez Golden Sponsors Sponsors POLITECNICO DI TORINO Academic Year: 2009-10

2. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Presentation Overview Tunnel AlignmentGeologyGeneral SpecificationsSite Assembly ChallengeRisksDifficulties EncounteredProductionCuttinghead ModificationTBM Assembly, Short Movie

3. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Presentation Overview Tunnel AlignmentGeologyGeneral SpecificationsSite Assembly ChallengeRisksDifficulties EncounteredProductionCuttinghead ModificationTBM Assembly, Short Movie

4. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Tunnel Alignment

5. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Tunnel Alignment

6. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Tunnel Alignment

7. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Geology Overview

8. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Presentation Overview Tunnel AlignmentGeologyGeneral SpecificationsSite Assembly ChallengeRisksDifficulties EncounteredProductionCuttinghead ModificationTBM Assembly, Short Movie

9. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO RME238 Series 21300 Seville

10. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO General Specifications Mixed Face EPB Cut Diameter:6.064 m TBM Length:9 m Overall Length:93 m Installed Power:2107 kW Design Operating Pressure:4 bar Min Radius of Curvature:200 m Electric Drive Maximum Continuous Torque534 Tm Drive Maximum Speed3.8 RPM Propulsion Cylinders24 Total Maximum Thrust4320 Tonne

11. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Site Assembly Shaft Assembly With Tail Tunnel Full TBM Assemble Before Launch In The Heart of Residential District. In The Heat of The Summer

12. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Presentation Overview Tunnel AlignmentGeologyGeneral SpecificationsSite Assembly ChallengeRisksDifficulties EncounteredProductionCuttinghead ModificationTBM Assembly, Short Movie

13. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Areas of Potential Problems Jet Grout Consolidation Not Fully Set Abrasive Silty Sand And Gravel Water Along Entire Alignment Cutting Tools Change In Hyperbaric Stations Up To 800m Apart Triple Concrete Walls At Stations Water Ingress At Stations

14. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Difficulties Encountered Extensive Wear On Tools Abrasive Ground Conditions Coarse Material Loss Of Conditioning Agents Material Difficult To Control

15. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Presentation Overview Tunnel AlignmentGeologyGeneral SpecificationsSite Assembly ChallengeRisksDifficulties EncounteredProductionCuttinghead ModificationTBM Assembly, Short Movie

16. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Production Rates Advance Rate:30 to 44 mm/min Best Production day:24 Rings (33.6M) Best week:93 Rings (130M) Best month:320 Rings (448M) Average Torque:209 Tm EPB Pressure:2.53 to 2.67 bar Average Thrust:1607 Tonne GCS Injection Rate:4425 litre/min

17. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO “Learning Curve” Rings Days Drive 2 Drive 1

18. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Presentation Overview Tunnel AlignmentGeologyGeneral SpecificationsSite Assembly ChallengeRisksDifficulties EncounteredProductionCuttinghead ModificationTBM Assembly, Short Movie

19. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Original Cuttinghead Design Mixed Face Design Interchangeable Rippers and 15.5” Disc Cutters 6 Independent Injection Ports 8 Face Isolation Doors Opening area 30% Chromium Carbide wear plate 2 Hydraulic Copy Cutters 45 Rippers Standard 150mm scrapers

20. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Original Cuttinghead Wear on Tools

21. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Modified Cuttinghead Design Interchangeable Rippers And 17” Disc Cutters 59 Rippers 14 No. Additional Rippers Outer 1.5m 6 New Outer Tool Paths Up To 4 No. Rippers Per Path Wide Format Scrapers 6 No. Independent Injection Ports Opening Area Of 33% 2 No. Hydraulic Copy Cutters

22. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Original vs. Modified Cuttinghead

23. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Original vs. Modified Tools

24. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Cutting Tools Change in Hyperbaric

25. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO New Cutting Tools Performance 490 m of tunnel 3 Concrete Walls at 35Mpa

26. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO Presentation Overview Tunnel AlignmentGeologyGeneral SpecificationsSite Assembly ChallengeRisksDifficulties EncounteredProductionCuttinghead ModificationTBM Assembly, Short Movie

27. Academic Year: 2009-10 Post Graduate Master Course TUNNELLING AND TUNNEL BORING MACHINES POLITECNICO DI TORINO www..com