MECHANIZED

 

MECHANISED TUNNELLING FOR ASIA

A Workshop Manual by Dr. Ian McFeat-Smith

with Contributions from

Robbins & Herrenknecht

 
  • Realising The Benefits
  • Avoiding the Pitfalls

TABLE OF CONTENTS
  • Abstract
  • Introduction
  • Why Bored Tunnels ?
  • Comparison of TBM and Conventional Techniques

Microtunnelling

Issues and Concerns for TBM Excavation

Advantages of Machine Excavation
  • OPTIONS FOR MACHINE TUNNELLING
  • SITE INVESTIGATIONS

General

Ground Reference Conditions: The IMS Rock Classification System
  • CASE HISTORIES

Microtunnelling

Iseki Unclemole in Bouldery Soils

Komatsu Semi-Slurry Shield for East Kowloon Sewer

Europipe-The Worlds Largest Pipejack

New TBM Technologies for Mini Sized Hard Rock Tunnels

Rockheader Tunnelling Machines

Roadheader in Weak and Fractured Rock

Titan Roadheader in Hard Rock

Case Histories from the Kielder TBM Tunnels, UK.

Introduction

Demag in Fault Gouge Zone

Intensely Shattered Rock

Continuous Minor Faulting

Portal Condition

Limestone Solutioning

Robbins TBM in Fault Gouge Zone

Hard Rock Demag TBM Meets its Match.

Conclusions

Recent TBM Projects 34

Asia's First High Performance Hard Rock TBM

Double Shielded Hard Rock TBM

TBM World Records Achieved in Blue Mountains

TBM Achievements at Lesotho

Large Sized Hard Rock Cutters for Klippen Project, Sweden

Large Sized TBM for Manapouri Power Tunnel, New Zealand

Soft and Mixed Ground TBMs

Convertible Mixshield for Duisburg Metro

Large Diameter EPBM Machine for Extreme Conditions at Lyon

Technical Innovations for Elbetunnel - The World's Largest TBM

Large Cross Section Tunnels Using Microtunnelling Techniques

East Line Subway Extension

Flood Control Channel, Los Angeles

Fahrlach Tunnel, Mannheim

Alameda Station, Lisbon

Conclusions
  • PREDICTION OF ROCK TUNNELLING MACHINE PERFORMANCE

Machine Utilization

Roadheader Cutting Performance

Hard Rock TBM Performance

Cutter Disc Issues

Machine Performance in Adverse Ground
  • SELECTION OF SOFT GROUND TBMs, & PREDICTION OF ADVANCE RATES
  • WATER INFLOW ISSUES
          Introduction
          Assessment of Permeability and Specification Issues
          Case Histories
             High Water Inflows in Granitic Rocks
             High Water Inflows in Volcanic Rocks
          Prediction of Inflow Reduction Factor (R)
          Prediction of Initial (li) and Final Inflows (Fi)
          Control Measures
          Conclusions

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  • RISK SHARING OPTION FOR ROCK TUNNELLING CONTRACTS
             Introduction
             Philosophy
             Recommended Contract Practice
             Risk Sharing Option: Tender
             Measurement
             Changes and Applicability
             Conclusions
  • PARTNERING
             The Philosophy
             The Workshop
             The Benefits of Partnering
  • COSTS
  • CONCLUSIONS
  • REFERENCES & RECOMMENDED LITERATURE

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