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Tunnelling in Urban Area by Tunnelling in Urban Area by Slurry Type Slurry Type TBM TBM ( ( Railway Bosphorus Tube Crossing Railway Bosphorus Tube Crossing Tunnels and Stations) Tunnels and Stations) The 3 rd Training course TUNNELLING IN URBAN AREA Prague, 4-5 th May 2007 ITA - AITES WORLD TUNNEL CONGRESS 2007 PRAGUE T T akashi Imaishi akashi Imaishi ( ( Shield Tunnelling Association of Japan, Taisei Corporation Shield Tunnelling Association of Japan, Taisei Corporation ) ) TRAINING MATERIAL PREPARED BY

Tunnelling in Urban Area by Slurry Type TBM (Railway ... · Slurry Type TBM (Railway Bosphorus Tube Crossing Tunnels and Stations) ... Requirements for tunnelling method in urban

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Page 1: Tunnelling in Urban Area by Slurry Type TBM (Railway ... · Slurry Type TBM (Railway Bosphorus Tube Crossing Tunnels and Stations) ... Requirements for tunnelling method in urban

Tunnelling in Urban Area by Tunnelling in Urban Area by Slurry TypeSlurry Type TBMTBM

((Railway Bosphorus Tube Crossing Railway Bosphorus Tube Crossing Tunnels and Stations)Tunnels and Stations)

The 3rd Training course TUNNELLING IN URBAN AREA

Prague, 4-5th May 2007

ITA - AITES WORLD TUNNEL CONGRESS 2007 PRAGUE

TTakashi Imaishiakashi Imaishi((Shield Tunnelling Association of Japan, Taisei CorporationShield Tunnelling Association of Japan, Taisei Corporation))

TRAINING MATERIAL PREPARED BY

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STA(Shield Tunneling Association of Japan)STA(Shield Tunneling Association of Japan)�was established in 1999

�is joined by 100 companies (leading Japanese general contractors, TBM and

lining segment manufacturers)

�is registered 14 reliable, experienced and state-of-the-art shield tunneling technologies

�is one of the prime sponsors for ITA

22/27/27Tunnelling in Urban Area by Slurry Type TBMTunnelling in Urban Area by Slurry Type TBM

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5Conclusions and referencesConclusions and references

The reason for TBM selectionThe reason for TBM selection

Mechanized Tunnel ConstructionMechanized Tunnel Construction

IntroductionIntroduction

Connection with Immersed Tunnel Connection with Immersed Tunnel under Bospunder Bosphhorusorus

Index

2

3

4

1

33/27/27Tunnelling in Urban Area by Slurry Type TBMTunnelling in Urban Area by Slurry Type TBM

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Introduction

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TurkeyTurkey

IstanbulIstanbul

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Introduction

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11

European SideEuropean Side

Asian SideAsian SideSea of MarmaraSea of Marmara

BosphorusBosphorus

Yenikapi St.Yenikapi St.

Sirkeci St.Sirkeci St.

Uskudar St.Uskudar St.

Project Project BeginningBeginning Project Project EndEnd

EPB Type

EPB Type

TBMTBM

Slurry TypeSlurry Type

TBMTBM

Slurry TypeSlurry Type

TBMTBM

Immersed Immersed

TunnelTunnel

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EPB Type EPB Type TBMTBM Slurry Type TBMSlurry Type TBM Slurry Type TBMSlurry Type TBM

1

1

2

3

4

5

YenikapYenikapııSirkeciSirkeci ÜsküdarÜsküdar

ProjectProjectEndEnd

ProjectProjectBeginningBeginning

Bosphorus

European Side Asian Side

Cross OverCross Over

Project

Project

Begining

Begining

Yediku

le

Yenika

Sirkeci

Üsküda

r

Üsküda

rCros

s Over

Cross O

ver

ImmersedImmersed

TunnelTunnel

Introduction

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11Proj

ect

Project

EndEnd

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Introduction

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European SideEuropean Side

Asian SideAsian Side

Asian SideAsian Side

European SideEuropean Side

BosphorusBosphorusBosphorusBosphorus

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The reason for TBM selection

Tunnelling in Urban Area by Slurry Type TBMTunnelling in Urban Area by Slurry Type TBM 88/27/27

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11Conditions of Performance 1 : In urban areaConditions of Performance 1 : In urban area

((Under the residential street or the historical buildingUnder the residential street or the historical building))

Asian Side Portal AreaAsian Side Portal Area

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Tunnelling in Urban Area by Slurry Type TBMTunnelling in Urban Area by Slurry Type TBM 99/27/27

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11Conditions of Performance 2 : High groundwater pressure Conditions of Performance 2 : High groundwater pressure

((Max 8.5MpaMax 8.5Mpa))

Ground Water LevelGround Water Level

8585mm

8585mm

BOSPHORUS STRAITBOSPHORUS STRAIT

USKUDARUSKUDARRock

The reason for TBM selection

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Tunnelling in Urban Area by Slurry Type TBMTunnelling in Urban Area by Slurry Type TBM 1010/27/27

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11Conditions of Performance 3 : Rapid constructionConditions of Performance 3 : Rapid construction

Total tunnel lengthTotal tunnel lengthAsian sideAsian side;;About About 4.2km (14.04.2km (14.0 monthsmonths))

European Side; European Side; About About 3.6km3.6km (9.5(9.5 monthsmonths))

AverageAverage 345m/345m/monthmonth((1515m/m/dayday))

((Main excavationMain excavation))

8:0010:00

12:0014:00

16:0

0

18:00

20:00

22:00

0:00

2:00

4:00

6:00

Installation 3

Installation 8

Excavation 3

Installation 5Excavation 5Tidying up

Installation 4

Excavation 4

RestInstalla

tion 2

Exca

vatio

n 2

Inst

alla

tion

1

Exca

vatio

n 1

Prep

artio

n

Survey and Maintenance

Exca

vatio

n 6

Prep

a rtio

n

Inst

alla

tion

6

Exca

vatio

n 7

Installa

tion 7

RestExcavation 8

Excavation 9

Installation 9

Excavation 10

Installation 10Tidying up

Survey and Maintenance

NightNightShiftShift

DayDayShiftShift

The reason for TBM selection

Prepar

ation

Prepar

ation

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Tunnelling in Urban Area by Slurry Type TBMTunnelling in Urban Area by Slurry Type TBM 1111/27/27

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11Slurry Type Slurry Type TBMTBM

The reason for TBM selection

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MECHANIZED TUNNEL CONSTRUCTION

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11 MechanizationMechanization1 : Slurry Transportation System1 : Slurry Transportation System

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MECHANIZED TUNNEL CONSTRUCTION

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11 MechanizationMechanization1 : Slurry Transportation System1 : Slurry Transportation System

Automatic Control (AC) Automatic Control (AC) SystemSystem

To control the slurry To control the slurry pressure, amount of pressure, amount of feeding and discharging feeding and discharging slurry, pumps and valves slurry, pumps and valves are controlled by AC are controlled by AC System.System.

Central Monitoring PanelCentral Monitoring Panel

The data necessary for TBM operation can be The data necessary for TBM operation can be monitored visually and the record also can be monitored visually and the record also can be taken.taken.

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MECHANIZED TUNNEL CONSTRUCTION

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11 MechanizationMechanization1 : Slurry Transportation System1 : Slurry Transportation SystemSlurry Discharging PumpSlurry Discharging Pump Valve SetValve Set

Pipe Extension EquipmentPipe Extension Equipment

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MECHANIZED TUNNEL CONSTRUCTION

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11 MechanizationMechanization2 Backfill Grouting System2 Backfill Grouting SystemBackfill grouting shall be fed into the annular void Backfill grouting shall be fed into the annular void without delay from TBM excavation speed.without delay from TBM excavation speed.Backfill Grouting System control this operation Backfill Grouting System control this operation automatically.automatically.

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MECHANIZED TUNNEL CONSTRUCTION

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11 MechanizationMechanization2 Backfill Grouting System2 Backfill Grouting SystemAutomatic Mixing PlantAutomatic Mixing Plant Injection UnitInjection Unit

Injection Control PanelInjection Control Panel Injection Injection WorkWork

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MECHANIZED TUNNEL CONSTRUCTION

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11 MechanizationMechanization3 Tail seal grease injection3 Tail seal grease injection

During excavation, the tail seal grease shall be injected from TBM Skin Plate by automatic injection system.

Tail BrushTail Brush

Tail BrushTail Brush

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MECHANIZED TUNNEL CONSTRUCTION

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11 MechanizationMechanization3 Tail seal grease injection3 Tail seal grease injection

Automatic Grease Injection UnitAutomatic Grease Injection Unit

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MECHANIZED TUNNEL CONSTRUCTION

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11 MechanizationMechanization44  Automatic Survey SystemAutomatic Survey System

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MECHANIZED TUNNEL CONSTRUCTION

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11 MechanizationMechanization44  Automatic Survey SystemAutomatic Survey System

In parallel with usual transit survey system, In parallel with usual transit survey system, automatic survey system is applied.automatic survey system is applied.

Furthermore, high Furthermore, high –– precision gyroscope is also precision gyroscope is also applied to raise the precision of surveying.applied to raise the precision of surveying.

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11 CONNECTION WITH IMMERSED TUNNEL CONNECTION WITH IMMERSED TUNNEL UNDER BOSPHORUSUNDER BOSPHORUS

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11 CONNECTION WITH IMMERSED TUNNEL CONNECTION WITH IMMERSED TUNNEL UNDER BOSPHORUSUNDER BOSPHORUS

Mechanical PackingMechanical Packing

Sleeve pipeSleeve pipeSleeve pipeSleeve pipe

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Tunnelling in Urban Area by Slurry Type TBMTunnelling in Urban Area by Slurry Type TBM 2323/27/27

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11CONNECTION WITH IMMERSED TUNNEL CONNECTION WITH IMMERSED TUNNEL

UNDER BOSPHORUSUNDER BOSPHORUS

TBM TBM

Sleeve pipeSleeve pipe Sleeve pipeSleeve pipeⅡⅡⅠⅠ

ⅢⅢSleeve pipeSleeve pipe

ⅣⅣ

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11 CONNECTION WITH IMMERSED TUNNEL CONNECTION WITH IMMERSED TUNNEL UNDER BOSPHORUSUNDER BOSPHORUS

Thawed Thawed LW LW materialmaterial

Frozen Frozen LW LW materialmaterial

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Tunnelling in Urban Area by Slurry Type TBMTunnelling in Urban Area by Slurry Type TBM 2525/27/27

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11 CONNECTION WITH IMMERSED TUNNEL CONNECTION WITH IMMERSED TUNNEL UNDER BOSPHORUSUNDER BOSPHORUS

Skin Plate of TBMSkin Plate of TBM

Skin Plate of SleeveSkin Plate of SleeveSkin Plate of TBMSkin Plate of TBM

Skin Plate of SleeveSkin Plate of Sleeve

Water PressureWater Pressure

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Conclusions and references

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11 In Urban Area, there are many people lives and manyIn Urban Area, there are many people lives and manyinfrastructures exist above and underground.infrastructures exist above and underground.Requirements for tunnelling method in urban area areRequirements for tunnelling method in urban area are��High reliability from the point of view of Safety and High reliability from the point of view of Safety and EnvironmentEnvironment��Method which enable to speedy constructionMethod which enable to speedy constructionTo fulfil these requirements, mechanized and automated To fulfil these requirements, mechanized and automated TBM method is desirable.TBM method is desirable.TBM method will be developed its mechanized system and TBM method will be developed its mechanized system and automated system continuously and the reliability of this automated system continuously and the reliability of this method also be raised in the future.method also be raised in the future.But important thing is that, even the automated system is But important thing is that, even the automated system is developed and reliability is raised, without experienced developed and reliability is raised, without experienced expert who can evaluate the data and can make correct expert who can evaluate the data and can make correct judgement, tunnelling work can never proceed with judgement, tunnelling work can never proceed with successfullysuccessfully..

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Tunnelling in Urban Area by Slurry Type TBMTunnelling in Urban Area by Slurry Type TBM 2727/27/27

Shield Tunneling Association of JapanShield Tunneling Association of Japan

Thank you for your kind attention Thank you for your kind attention