Sprayed Concrete Linings in Soft Ground : A Best Practice Design Guide.

The ebook edition of this title is Open Access and freely available to read online. Sprayed Concrete Linings in Soft Ground is a best practice guide to the design and construction of Sprayed Concrete Lining (SCL) infrastructure.

Bibliographic Details
Main Author: British Tunnelling Society, UK
Corporate Author: Knovel (Firm)
Format: eBook
Language:English
Published: Leeds : ICE Publishing, 2025.
Edition:1st ed.
Subjects:
Online Access:Connect to the full text of this electronic book
Table of Contents:
  • Intro
  • Half Title Page
  • Tiltle Page
  • Copyright Page
  • Contents
  • Foreword
  • Acknowledgments
  • Chapter 1: Introduction
  • Chapter 2: Standards and codes of practice
  • 2.1. Limitations in current standards
  • 2.2. General guidelines
  • 2.3. Eurocodes and British standards
  • 2.4. Flexural strength guidelines
  • 2.5. Specifications
  • Chapter 3: Sprayed concrete lining design process and key decisions
  • 3.1. Design process
  • 3.2. Key aspects of SCL design
  • 3.2.1 Progressive design development
  • 3.2.2 Single design responsibility
  • 3.2.3 Management of risk
  • 3.2.4 Construction input to design
  • 3.2.5 Effective use of analysis
  • 3.2.6 Design coordination and representation
  • 3.2.7 Best practice guidance/lessons learned
  • 3.2.8 Monitoring approach and trigger value derivation
  • 3.2.9 Influence of procurement method on design process
  • 3.2.10 Sustainability in the design process
  • 3.2.11 Health and safety in the design process
  • 3.3. Activities in the feasibility/concept design stage
  • 3.4. Activities in the scheme design stage
  • 3.5. Activities in the detailed design stage
  • 3.5.1 Detailed excavation sequencing for individual tunnels
  • 3.5.2 Limitations on construction
  • 3.5.3 Design assurance
  • 3.6. Construction phase design input
  • Chapter 4: Spaceproofing and alignment
  • 4.1. Spaceproofing
  • 4.2. Profiles and setting out
  • 4.3. Tolerances
  • 4.4. Limitations on curves/inclinations
  • Chapter 5: Ground and water parameters
  • 5.1. Desk study
  • 5.2. Ground investigation
  • 5.3. Ground chemistry
  • 5.4. Ground gas
  • 5.5. Ground parameters
  • 5.6. In situ stress state
  • 5.7. Groundwater and permeability
  • 5.8. Ground stiffness
  • 5.9. Time-dependent ground behaviour
  • 5.10. Reporting
  • Chapter 6: Excavation sequencing
  • 6.1. General criteria
  • 6.2. Full-face excavation
  • 6.2.1 Considerations.
  • 6.2.2 Where to use
  • 6.3. Top heading/bench/invert excavation
  • 6.3.1 Considerations
  • 6.3.2 Where to use
  • 6.4. Sidewall drift excavation
  • 6.4.1 Considerations
  • 6.4.2 Where to use
  • 6.5. Pilot tunnel enlargement
  • 6.5.1 Considerations
  • 6.5.2 Where to use
  • 6.6. Vertical and inclined excavations
  • 6.6.1 Vertical shafts
  • 6.6.2 Escalators
  • Chapter 7: Design details
  • 7.1. Joints
  • 7.2. Approach to junction design
  • 7.3. Reinforcement strategy
  • 7.4. Probing ahead
  • 7.5. Toolbox items
  • 7.5.1 Supporting the face
  • 7.5.2 Reduced advance lengths
  • 7.5.3 Pocket excavations/face splitting
  • 7.5.4 Spiles
  • 7.5.5 Pipe arches
  • 7.5.6 Face dowels
  • 7.5.7 Local dewatering/depressurisation
  • 7.5.8 Ground treatment
  • Chapter 8: Material parameters
  • 8.1. Sprayed concrete
  • 8.2. Mechanical parameters and behaviour
  • 8.2.1 Sprayed concrete
  • 8.2.2 Fibre reinforced concrete (FRC)
  • 8.2.3 FRC mechanical parameters
  • 8.2.3.1 Compressive strength and strain
  • 8.2.3.2 Tensile strength
  • 8.2.3.3 Flexural tensile strength
  • 8.2.3.4 Shear strength
  • 8.2.3.5 Strain limits
  • 8.2.4 Time dependency of sprayed concrete
  • 8.3. Designing for durability
  • 8.3.1 Lining permeability
  • 8.3.2 Reinforcement corrosion
  • 8.3.3 Drying shrinkage
  • 8.3.4 Ductility
  • maximum concrete strength
  • Chapter 9: Designing for water
  • 9.1. Water management strategy
  • 9.2. Designing for fully tanked solutions
  • 9.3. Sheet waterproofing membranes
  • 9.4. Spray applied waterproofing membranes
  • 9.5. Watertight concrete
  • 9.6. Junctions between structures
  • 9.7. Impacts on design/construction
  • Chapter 10: Analytical solutions
  • 10.1. Introduction
  • 10.2. Circular tunnels and shafts
  • 10.2.1 In situ ground stress
  • 10.2.2 Continuum analytical models
  • 10.2.3 Convergence-confinement method
  • 10.3. Face stability
  • 10.4. Junction design.
  • 10.5. Ground movements
  • Chapter 11: Numerical modelling
  • 11.1. Introduction
  • 11.1.1 Limitations
  • 11.2. Model set-up
  • 11.3. Constitutive model
  • 11.4. Short term versus long term
  • 11.5. Lining properties
  • 11.5.1 Overview
  • 11.5.2 Non-linear concrete modelling with Mohr-Coulomb failure criterion
  • 11.5.3 Simplified consideration of non-linearity
  • 11.5.4 Lining modelling
  • 11.5.5 Consideration of water proofing
  • 11.6. Considering the construction process
  • 11.6.1 Overview
  • 11.6.2 Stress method
  • 11.6.3 Stiffness method
  • 11.6.4 Volume loss control
  • 11.6.5 General considerations
  • 11.7. Validation/calibration
  • 11.8. Sensitivity analysis
  • 11.9. Support modelling
  • 11.9.1 Sprayed concrete lining
  • 11.9.2 Spiles and bolts
  • 11.9.3 Face stability
  • 11.10. Compensation grouting
  • Chapter 12: Section design
  • 12.1. Section design strategy
  • 12.2. Consideration of construction sequence in the design
  • 12.3. Design situations
  • 12.4. Material factors
  • 12.5. Action/loads
  • 12.6. External loads
  • 12.6.1 Ground loads
  • 12.6.2 Water loads
  • 12.6.3 Building and surface loads
  • 12.6.3.1 Structures with shallow foundations
  • 12.6.3.2 Buildings with piled foundations
  • 12.6.3.3 Unloading
  • 12.6.4 Surcharges
  • 12.6.5 Loads during execution
  • 12.6.5.1 Adjacent excavations and construction
  • 12.6.5.2 Construction surcharge loading
  • 12.6.5.3 TBM loads
  • 12.6.5.4 Compensation grouting
  • 12.7. Internal loads
  • 12.7.1 Fixing loads
  • 12.7.2 Thermal loads
  • 12.7.3 Traction loads
  • 12.7.4 Internal pressure
  • 12.8. Accidental loads
  • 12.8.1 Impact loads
  • 12.8.2 Blast loads
  • 12.9. Load combinations
  • 12.9.1 Design for the ULS
  • 12.9.2 Combinations for SLS design
  • 12.10. Plastic redistribution
  • Chapter 13: Designing for fire
  • 13.1. Fires in tunnels
  • 13.2. SCL response to fire.
  • 13.3. Protection options and considerations
  • 13.3.1 Fire suppression systems
  • 13.3.2 Cladding and coatings systems
  • 13.3.3 Micro-synthetic fibres
  • Chapter 14: Instrumentation and monitoring
  • 14.1. Optical 3D monitoring
  • 14.2. Tape extensometers
  • 14.3. Pressure cells
  • 14.4. Strain measurements
  • 14.5. Strength testing
  • 14.5.1 Thermal imaging
  • 14.6. External monitoring
  • 14.7. Setting trigger values
  • 14.8. Understanding and interpretation
  • Chapter 15: Sustainability in design
  • 15.1. Carbon calculations
  • 15.2. Lining configuration
  • 15.3. Reducing sources of waste
  • Chapter 16: Specifications, assurance and design outputs
  • 16.1. Specifications
  • 16.1.1 Responsibilities
  • 16.1.2 Scope and content
  • 16.2. Assurance
  • 16.2.1 Design
  • 16.2.2 Independent checking
  • 16.2.3 Construction
  • 16.3. Design outputs
  • 16.3.1 Drawings
  • 16.3.2 Other documents
  • 16.3.3 Risk assessments
  • References
  • 17.1. Key books and publications
  • 17.2. Other reference documents
  • 17.3. Papers and publications
  • Index.