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INSTRUCTOR: 
Brent Travis, Ph.D., P.E., M.ASCE

*Should the above instructor be unavailable to teach, a qualified WEST Consultants instructor will be appointed to replace him.

Purpose and Background

The course will focus on streambank stabilization techniques for both restoration and traditional flood control projects. Traditional hard structural-type channel bank stabilization techniques will be discussed (using rock riprap, gabions, articulated concrete blocks) as well as redirective techniques (including bendway weirs, rock vanes, and spur dikes). In addition, the use of bioengineering solutions will be presented. In this course, you will learn the applicability and limitations of the various techniques, and recognize the importance of adequate toe protection. Workshops accompanying the lectures provide practical application experience in streambank stabilization design.

Benefits and Learning Outcomes

Benefits

Gain insight on the causes of streambank failure and erosion

Understand concepts of channel stability and its assessment

Review the fundamentals of stream systems and channel processes

Understand when streambank stabilization may be required

Obtain guidance on biotechnical and redirective techniques for streambank stabilization

Learn primary means used for streambank stabilization and how to select a streambank protection method

Receive guidance on establishing limits of streambank protection

Review design approaches to streambank stabilization for restoration and flood control

Gain insight into stream channel design

Learn how to predict total scour for toe scour protection

Learning Outcomes

Upon completion of this course, you will be able to:

• Identify the two main techniques for streambank stabilization
• Explain the fundamentals of fluvial geomorphology
• Identify the design data requirements for streambank stabilization project
• Explain the basic principles and techniques on estimating the total scour for streambank protection measure

Assessment of Learning Outcomes

Instructor(s) will use a problem solving exercise to demonstrate and illustrate the required data, design methods, and evaluation techniques necessary to select and design bank stabilization measures, and students will take a test at the end of the class with questions addressing these items. The test will be graded in class by their classmates as the instructor goes over each question and answer.

Special Features

Workshop participants receive the following publications and software:

• HEC-RAS software (latest version)
• HEC-RAS Course Notes and Workshop Problems
• HEC-RAS User Manual (digitally)
• HEC-RAS Hydraulic Reference Manual (digitally)
• HEC-RAS Applications Manual (digitally)
• HEC-RAS Example Problems (digitally)

Who Should Attend?

Individuals involved in the planning, design, construction, and maintenance of channel restoration and flood control projects who need state-of-the-practice information on streambank stabilization techniques such as how to select appropriate streambank protection methods, obtain design guidelines and criteria, and evaluate toe scour.

Summary Outline

Time: 8:30 a.m. - 4:30 p.m., ET

DAY 1

Introduction

• Instructors
• Ground Rules
• Course Objectives
• Hydraulic Erosion vs. Mass Wasting Processes
• Defining Stability

Analysis Methods: Geomorphic Assessment

• Objectives
• Geologic setting
• Soils/Vegetation
• Historic Land Use
• Flood History
• Channel Form
• Channel Evolution History
• Geomorphic Reaches
• Governing Physical Processes
• Tools
• Case Studies

Analysis Methods: Hydrology

• Objectives
• Flood Frequency
• Flow Duration
• Design Discharge
• Tools
• Case Studies

Analysis Methods: Hydraulics

• Objectives
• Model Selection
• Data Requirements/Data Collections
• Calibration/Verification
• Sensitivity Analysis
• Tractive Force and Permissible Velocity
• Flow Field
• Tools
• Case Studies

DAY 2

Analysis Methods: Sediment Transport and Scour

• Objective
• Total Scour/Scour Components
• Long-term Degradation
• General Scour
• Local Scour
• Other Scour Components
• Tools
• Case Studies

Streambank Stabilization Methods/Design Guidance

• Biotechnical Techniques
• Methods
• Design
• Common Failure Modes
• Redirective Techniques
• Methods
• Design
• Common Failure Modes
• Resistive Techniques
• Methods
• Design
• Common Failure Modes
• Grade Control
• Methods
• Design
• Common Failure Mode

Risk & Uncertainty

• Definitions
• Analysis Procedures

How to Earn your CEUs/PDHs

This webinar is worth 1.6 CEUs/16 PDHs. To receive your certificate of completion, you will need to complete a short post-test and receive a passing score of 70% or higher.

How do I convert CEUs to PDHs?

1.0 CEU = 10 PDHs [Example: 0.1 CEU = 1 PDH]

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