1

Pierre Y. Julien

Wuhan 2005

Riverbank Stabilization Criteria and Examples

Objectives

Part III – Stream Stabilization

1. Present and discuss important concepts, criteria and guidelines for small rivers

2. Present examples of stream stabilization

Concept of Equilibrium

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Vertical Degradation

Headcutting

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Bank Caving

Headcutting

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Bank Protection

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Environmentally Sound

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Figure 7.3 Schematic Diagram of Windrow Revetment

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Figure 7 5 Placement of Windrow Rock in Excavated Trench on Top Bank

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Figure 8.2 Typical Impermeable Dikes

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MEI

Jetty System (near Bernardo), USACE 1963

Jetty fields and vegetation of the Rio Grande

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Bernardo Gage

Timber Pile Revetment

Revetment Capout

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Erosion and River Mechanics Textbooks

www.cup.org

Objectives

Part IV – Riverbank Stabilization

1. Present and discuss important concepts, criteria and guidelines for large rivers

2. Present examples of riverbank stabilization

Concept of Equilibrium

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Stonefill Revetment

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Channel Contraction

Channel Control Dikes

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Channel Realignment

Construction Dredging

Oxbow Preservation

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Access to Oxbows

Trenchfill Revetment

Flow

Dikes Used to Restrict Flow to a Single Low Water Channel

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Additional Contraction Structures

Dykes

Environmental Considerations

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Typical Stone Dyke

Rough Concrete Surface

Vented Dykes

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Geobags

Geo Containers

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Willow Mats

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Erosion and River Mechanics Textbooks

www.cup.org

THANK YOUfor your

Attention!

pierre@engr.colostate.edu