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2. 2 3. 04 () TBM05 (TBM)10 (TBM)13 (Non-Shield TBM)14 ((Shield TBM25 ((Hybrid Shield44 3 4. SRMEG-NCUS Seminar 31 January 2012 Professor Jian ZHAO 4 5. TBM tbm New Singapore MRT are in tunnels 5 6. TBM 6 7. () TBM tbm MRT Tunnel by TBM Fort Canning Tunnel by Conventional Method 7 8. Conventional and TBM Tunnelling tbm ( ....tbm ) 8 9. !Tbm . tbm Non-Shield TBM Reaming Machine Gripper TBM Competent rock Competent rockRock TBM Soil TBM Shield TBM Firm soil, soft rock Firm soil, weathered and highly fractured rock Firm soil with groundwater, soil mixed with rock Sand, sandy soil mixed with rock Clay, clayey soil mixed with rock Hybrid Shield Soil-rock mixed grounds Rock-soil changing grounds Clay-sand varying grounds Open Face Mechanical Face Support Compressed Air Shield Slurry / Hydro-Shield Earth Pressure Balance Shield Mix-Shield EPB-Slurry Convertible Double Shield 9 10. tbm -1 10 11. tbm -2 11 12. tbm -3 12 13. tbm tbm - - - - ( ! ) : !!! !! TBM 13 14. Non-Shield TBM Reaming Machine Gripper TBM Competent rock Competent rockRock TBM Soil TBM Shield TBM Firm soil with groundwater, soil mixed with rock Hybrid Shield Soil-rock mixed grounds Rock-soil changing grounds Clay-sand varying grounds Open Face Mechanical Face Support Compressed Air Shield Slurry / Hydro-Shield Earth Pressure Balance Shield Mix-Shield Tunnel Reaming and Enlarge Machines EPB-Slurry Convertible Double Shield 14 15. Tunnel Reaming and Enlarge Machines 15 16. Tunnel Reaming and Enlarge Machines 16 17. Non-Shield TBM Reaming Machine Gripper TBM Competent rock Competent rockRock TBM Soil TBM Shield TBM Firm soil, soft rock Firm soil, weathered and highly fractured rock Firm soil with groundwater, soil mixed with rock Sand, sandy soil mixed with rock Clay, clayey soil mixed with rock Hybrid Shield Soil-rock mixed grounds Rock-soil changing grounds Clay-sand varying grounds Open Face Mechanical Face Support Compressed Air Shield Slurry / Hydro-Shield Earth Pressure Balance Shield Mix-Shield Gripper TBM EPB-Slurry Convertible Double Shield 17 18. Gripper TBM . . . 18 19. Gripper TBM . . 19 20. Gripper TBM . 20 21. TBM . . . . . . . . . 21 22. ATB50HA 22 23. . 23 24. ADVANTAGES LIMITATIONS . 300 . 14 ( 4/14 2008) . . . Gripper TBM 24 25. Non-Shield TBM Reaming Machine Gripper TBM Competent rock Competent rockRock TBM Soil TBM Shield TBM Firm soil, soft rock Firm soil, weathered and highly fractured rock Firm soil with groundwater, soil mixed with rock Sand, sandy soil mixed with rock Clay, clayey soil mixed with rock Hybrid Shield Soil-rock mixed grounds Rock-soil changing grounds Clay-sand varying grounds Open Face Mechanical Face Support Compressed Air Shield Slurry / Hydro-Shield Earth Pressure Balance Shield Mix-Shield Open Face Shield TBM EPB-Slurry Convertible Double Shield 25 26. Open Face Shield TBM . . . . 26 27. 27 28. Non-Shield TBM Reaming Machine Gripper TBM Competent rock Competent rockRock TBM Soil TBM Shield TBM Firm soil, soft rock Firm soil, weathered and highly fractured rock Firm soil with groundwater, soil mixed with rock Sand, sandy soil mixed with rock Clay, clayey soil mixed with rock Hybrid Shield Soil-rock mixed grounds Rock-soil changing grounds Clay-sand varying grounds Open Face Mechanical Face Support Compressed Air Shield Slurry / Hydro-Shield Earth Pressure Balance Shield Mix-Shield Mechanical Face Support EPB-Slurry Convertible Double Shield 28 29. . Mechanical Face Support 29 30. . . Mechanical Face Support 30 31. . 31 32. Non-Shield TBM Reaming Machine Gripper TBM Competent rock Competent rockRock TBM Soil TBM Shield TBM Firm soil, soft rock Firm soil, weathered and highly fractured rock Firm soil with groundwater, soil mixed with rock Sand, sandy soil mixed with rock Clay, clayey soil mixed with rock Hybrid Shield Soil-rock mixed grounds Rock-soil changing grounds Clay-sand varying grounds Open Face Mechanical Face Support Compressed Air Shield Slurry / Hydro-Shield Earth Pressure Balance Shield Mix-Shield Compressed Air Shield EPB-Slurry Convertible Double Shield 32 33. Compressed Air Shield . 115/0 . . . . 33 34. Non-Shield TBM Reaming Machine Gripper TBM Competent rock Competent rockRock TBM Soil TBM Shield TBM Firm soil, soft rock Firm soil, weathered and highly fractured rock Firm soil with groundwater, soil mixed with rock Sand, sandy soil mixed with rock Clay, clayey soil mixed with rock Hybrid Shield Soil-rock mixed grounds Rock-soil changing grounds Clay-sand varying grounds Open Face Mechanical Face Support Compressed Air Shield Slurry / Hydro-Shield Earth Pressure Balance Shield Mix-Shield Slurry / Hydro-Shield EPB-Slurry Convertible Double Shield 34 35. Slurry / Hydro-Shield . 43/15 2006 . . . 3 . 35 36. Slurry / Hydro-Shield . . . 3 . . . 36 37. ADVANTAGES LIMITATIONS . . . Slurry / Hydro-Shield 37 38. Non-Shield TBM Reaming Machine Gripper TBM Competent rock Competent rockRock TBM Soil TBM Shield TBM Firm soil, soft rock Firm soil, weathered and highly fractured rock Firm soil with groundwater, soil mixed with rock Sand, sandy soil mixed with rock Clay, clayey soil mixed with rock Hybrid Shield Soil-rock mixed grounds Rock-soil changing grounds Clay-sand varying grounds Open Face Mechanical Face Support Compressed Air Shield Slurry / Hydro-Shield Earth Pressure Balance Shield Mix-Shield Earth Pressure Balance Shield EPB-Slurry Convertible Double Shield 38 39. Earth Pressure Balance Shield Large diameter EPB machine (15.2 m, 2006) for Madrid M-30 project. 39 40. TBM excavation face is supported by pressurizing soil (earth) inside the cutterhead chamber. Earth pressure in the chamber is regulated by the rate of earth discharge through the screw conveyer. Earth Pressure Balance Shield 40 41. Earth Pressure Balance Shield . 41 42. ADVANTAGES LIMITATIONS . . EPB . : . Earth Pressure Balance Shield 42 43. EPB Slurry Selection of Shield Boring Machine Based on Soil Grain Size Distribution Earth Pressure Balance Shield 43 44. Non-Shield TBM Reaming Machine Gripper TBM Competent rock Competent rockRock TBM Soil TBM Shield TBM Firm soil, soft rock Firm soil, weathered and highly fractured rock Firm soil with groundwater, soil mixed with rock Sand, sandy soil mixed with rock Clay, clayey soil mixed with rock Hybrid Shield Soil-rock mixed grounds Rock-soil changing grounds Clay-sand varying grounds Open Face Mechanical Face Support Compressed Air Shield Slurry / Hydro-Shield Earth Pressure Balance Shield Mix-Shield Mix-Shield EPB-Slurry Convertible Double Shield 44 45. Mix-Shield . TBM . EPB . 25/19 Mix-Shield Slurry Mix-Shield EPB45 46. ADVANTAGES LIMITATIONS (EPB) EPB Mix-Shield 46 47. Non-Shield TBM Reaming Machine Gripper TBM Competent rock Competent rockRock TBM Soil TBM Shield TBM Firm soil, soft rock Firm soil, weathered and highly fractured rock Firm soil with groundwater, soil mixed with rock Sand, sandy soil mixed with rock Clay, clayey soil mixed with rock Hybrid Shield Soil-rock mixed grounds Rock-soil changing grounds Clay-sand varying grounds Open Face Mechanical Face Support Compressed Air Shield Slurry / Hydro-Shield Earth Pressure Balance Shield Mix-Shield EPB-Slurry Convertible Double Shield Double Shield 47 48. Double Shield TBM Gripper 48 49. . . Double Shield 49 50. ADVANTAGES LIMITATIONS ( ) : Double Shield 50 51. Non-Shield TBM Reaming Machine Gripper TBM Competent rock Competent rockRock TBM Soil TBM Shield TBM Firm soil, soft rock Firm soil, weathered and highly fractured rock Firm soil with groundwater, soil mixed with rock Sand, sandy soil mixed with rock Clay, clayey soil mixed with rock Hybrid Shield Soil-rock mixed grounds Rock-soil changing grounds Clay-sand varying grounds Open Face Mechanical Face Support Compressed Air Shield Slurry / Hydro-Shield Earth Pressure Balance Shield Mix-Shield EPB-Slurry Convertible Double Shield Double Shield 51 52. EPB-Slurry Convertible Shield EPB . . 52 53. . EPB-Slurry Convertible Shield EPBSlurryOpen Mode EPB 53 54. Support of TBM Tunnels TBM . Gripper Weir mesh Rock bolt Shotcrete 54 55. Support of TBM Tunnels TBM . Segments transportation 55 56. . . . Support of TBM Tunnels Gasket 56 57. 57