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1 / 46 TBM Outline . 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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Page 1: Click to edit Master title styleClick to edit Master title style Author user Created Date 6/4/2013 11:08:56 AM

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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