Design of Spur-Type Streambank Stabilization Structures
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TOC
CHAPTER 1. IMTRODUCTION
CHAPTER 2, CONSIDERATIONS IN THE SELECTION AND DESIGN OF SPUR-TYPE STRUCTURES
GENERAL APPLICABILITY OF SPURS
Function
Erosion Mechanisms
River Environment
Channel Size
Bend Radius
Channelbank Characteristics
System Impacts
Environmental Impacts
Esthetic Impacts
Construction-Related Considerations
costs
SPUR TYPES
Retardance Spurs
Fence Type
Jack/Tetrahedron Type
Retardance/Diverter Spurs
Light Fence Type
Heavy Diverter Spurs
Diverter Spurs
Hardpoints
Transverse-Dike Spurs
PRIMARY FACTORS INFLUENCING THE DESIGN 0ND SELECTION OF A SPUR TYPE
Spur Function/Purpose
Erosion Mechanism
Sediment Environment
Flow Environment
Channel Velocity Environment
Flow Stage
Bend Radius
Debris and Ice-Load Environment
OTHER CONSIDERATIONS
costs
Channel Size
Channelbed Fluctuations
Vegetation
Vandalisim and Maintenance
CHAPTER 3. OF SPUR SYSTEMS
PERMEABILITY
GEOMETRY
Extent of Bank Psotection
spur Length
Spur Spacing
Spur Orientation
Geometric Design Example
STRUCTURE HEIGHT
CREST PROFILE
BED and BANK CONTACT
Channelbed Contact
Channelbank Contact
SPUR HEAD FORM OR DESIGN
SUMMARY OF SPUR DESIGN RECOMMENDATIONS
Permeability
Extent of Channelbank Protection
Spur Length
Spur Spacing
Spur Angle/Orientation
spur System Geometry
Spur Height
Spur Crest Profile
Channelbed and Channelbank Contact
Spur Head Form
