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CITATION

Annandale, George. Scour Technology. US: McGraw-Hill Professional, 2005.

Scour Technology

Authors: George Annandale

Published:  November 2005

eISBN: 9780071588867 0071588868 | ISBN: 9780071440578
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  • Contents
  • Preface
  • Acknowledgments
  • Chapter 1. Scour Management Challenges
  • Introduction
  • Scour and Infrastructure Safety
  • Bridges
  • Dams
  • Tunnels
  • Pipelines
  • Bank and shoreline scour
  • Approach of Book
  • How to Use This Book
  • Chapter 2. Engineering Judgment
  • Introduction
  • Defensible Decision Making
  • Decision-making process
  • Summary
  • Chapter 3. Scour Processes
  • Introduction
  • Erosive Capacity of Water
  • Inconsistencies of indicator parameters used in current practice
  • Requirements for internal consistency
  • Boundary flow processes
  • Material Characteristics
  • Physical and chemical gels
  • Physical gel response to scour
  • Non-cohesive soils
  • Jointed rock
  • Vegetated earth material
  • Chemical gel response to scour
  • Intact rock
  • Cohesive soils
  • Summary
  • Chapter 4. Material and Fluid Properties
  • Introduction
  • Water
  • Other parameter values
  • Physical Gels
  • Non-cohesive granular material
  • Jointed rock
  • Chemical Gels
  • Erosion of cohesive soils
  • Intact rock
  • Empirical Characterization of Physical and Chemical Gels
  • Mass strength number (M[sub(s)])
  • Block or particle size number (K[sub(b)])
  • Discontinuity/interparticle bond shear strength number (K[sub(d)])
  • Relative ground structure number (J[sub(s)])
  • Vegetated Soils
  • Summary
  • Chapter 5. Erosive Capacity of Water
  • Introduction
  • Near-boundary processes
  • Indicator parameter selection
  • Summary
  • Quantification of Erosive Capacity
  • Structural hydraulics
  • Environmental hydraulics
  • Chapter 6. Scour Thresholds
  • Introduction
  • Physical Gels
  • Non-cohesive granular material
  • Jointed rock masses
  • Keyblock theory
  • Chemical Gels
  • Rock
  • Cohesive granular earth material
  • The Erodibility Index Method
  • Temple and Moore (1994)
  • van Schalkwyk et al. (1995)
  • Kirsten et al. (1996)
  • Annandale (1995)
  • Comparison
  • Vegetated earth material
  • Summary
  • Chapter 7. Scour Extent
  • Introduction
  • Conceptual Approach
  • Scour Extent of Physical Gels
  • Rock block removal
  • Scour Extent of Chemical Gels—Brittle Fracture
  • Erodibility Index Method
  • Example
  • Intact material strength number
  • Block/particle size number
  • Discontinuity or interparticle bond shear strength number
  • Relative shape and orientation number
  • Erodibility index and required power
  • Available stream power
  • Results and discussion for example pier M10
  • Summary
  • Chapter 8. Temporal Aspects of Scour
  • Introduction
  • Subcritical Failure (Fatigue)
  • Rate of Erosion of Cohesive Material
  • Couette flow device (CFD)
  • Vertical jet tester (VJT)
  • Discussion
  • Erosion function apparatus (EFA)
  • Discussion
  • Hole erosion test (HET)
  • Discussion
  • Summary
  • Chapter 9. Engineering Management of Scour
  • Introduction
  • Approach
  • Scour analysis
  • Protection analysis
  • Costing and selection
  • Engineering and preparation of drawings and specifications
  • Construction
  • Maintenance
  • Scour Protection Options
  • Scour Analysis
  • Moochalabra Dam
  • Harding Dam
  • Pre-Forming
  • River restoration
  • Plunge pool scour
  • Earth Material Enhancement
  • Vegetation
  • Rock anchoring without concrete lining
  • Rock bolting design
  • Hard Protection Design
  • Gibson Dam
  • Riprap
  • Accommodating Protection
  • Flow Modification
  • Combined Approaches
  • Chapter 10. Case Studies
  • Introduction
  • San Roque Dam Tunnels
  • Data
  • Erosion assessment
  • Summary of results
  • Tunnel performance
  • Ricobayo Dam
  • Local geology
  • Qualitative analysis of scour
  • Quantitative Analysis of Scour
  • Jet breakup
  • Jet impact dimension
  • Jet stream power
  • Scour threshold—erodibility index method
  • Scour extent
  • Summary
  • Confederation Bridge
  • Introduction
  • Relevant site and project characteristics
  • Key scour design issues
  • Development of new scour assessment methodology
  • Requirement for scour protection
  • Construction
  • Scour monitoring program
  • Scour reassessment study
  • Summary and Conclusions
  • Summary
  • Conclusions
  • References
  • Symbols
  • Index