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TRANSCRIPT
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TBM OutlineⅡ. Construction Plan 1. TBM OUTLINE
Cutter Head
• Type : Mixed face
• Opening ratio : 37 %
• Disc cutter type : 17” Wedgelock™
• Drive Motors : 5 × 210 Kw
• Multiple Wear and Abrasion Detectors
• Extensive Hard Facing
Body
• Tail outside diameter : 6,600 mm
• Overall Length : Approx. 10.6 m
• Components :
- Double Man Locks
- Fixed Type Segment Erector
- Integrated Tail-Skin Grouting
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Temporary Facility for TBM LaunchingⅡ. Construction Plan 2. Preparation
Shaft & Base Slab
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Temporary Facility for TBM LaunchingⅡ. Construction Plan 2. Preparation
Shaft & Base Slab
Portal & Seal Ring
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Temporary Facility for TBM LaunchingⅡ. Construction Plan 2. Preparation
Portal & Seal Ring
Cradle
Shaft & Base Slab
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Temporary Facility for TBM LaunchingⅡ. Construction Plan 2. Preparation
Cradle
Reaction Frame
Portal & Seal Ring
Shaft & Base Slab
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Temporary Facility for TBM LaunchingⅡ. Construction Plan 2. Preparation
Cradle
Reaction Frame
Temp. Segment
Portal & Seal Ring
Shaft & Base Slab
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Temporary Facility for TBM LaunchingⅡ. Construction Plan 2. Preparation
Cradle
Reaction Frame
Temp. Segment
Initial Drive
Portal & Seal Ring
Shaft & Base Slab
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Ⅱ. Construction Plan
TBM Driving Cycle3. Main Driving
Excavation / Backfilling
Segment Transport
Segment Assembly
Keep Pressure
Muck Skip
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TBM Break Through & Retrieval
Check List
Detailed survey to confirm alignment
Probe Drilling to confirm GT zone
Review I&M in the vicinity
Define breakthrough parameters
Set Cradle
Prepare Eye for breakthrough
Ⅱ. Construction Plan 4. TBM Retrieval