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HEC-RAS Sediment Transport Analysis Using the Hydrologic Engineering Center's River Analysis System

HEC-RAS Sediment Transport Analysis Using the Hydrologic Engineering Center's River Analysis System

Instructor


Martin J. Teal, P.E., P.H., D.WRE, M.ASCE
Mr. Teal, has worked with hydraulic models for more than 20 years and is currently a Vice President with WEST Consultants. His experience includes working as a hydraulic engineer for the U.S. Army Corps of Engineers and as a civil engineer for a large multinational firm in Chile.As a private consultant with WEST, he has dealt with complex hydraulic,hydrologic, and sedimentation problems. He has used computational models, such as HEC-RAS and HEC-6, as a principal tool to deal with these problems for clients in both the public and private sectors throughout the United States and internationally. Examples of his sedimentation modeling experience include reservoir sedimentation of main stem dams on the Missouri River, and studies for rivers and washes in eight states. Mr.Teal earned his BS in Civil Engineering from the University of California, Berkeley, and his MS in Civil and Environmental Engineering (Hydraulics) from the University of Iowa. He has taught HEC-RAS courses since 1997 throughout the U.S. and Latin America.

Christopher R. Goodell, P.E., D.WRE, M.ASCE
Mr. Goodell is a senior hydraulic engineer with WEST Consultants with over 13 years of experience in computational hydraulics, river hydraulics and hydraulic design. He spent two years at the Hydrologic Engineering Center (HEC) actively working on the development of HEC-RAS. In addition, Mr. Goodell is a contributing author to the HEC-RAS manuals and has applied HEC-RAS to a wide range of complex problems, including dam breaks, bridge and culvert hydraulics, spillway and outlet works design, stable channel design, and floodplain mapping. He also has experience in moveable bed hydraulics and has contributed to the incorporation of sediment transport and sediment impact modeling into HEC-RAS. Mr.Goodell earned his B.S. degree in civil engineering at Oregon State University and his M.Eng. in Hydraulic Engineering from the International Institute for Hydraulic Engineering (IHE) in Delft, The Netherlands. Mr. Goodell has taught HEC-RAS courses and provided technical support for HEC-RAS since 2000.

Dragoslav Stefanovic, PH.D., P.E., D.WRE
Mr. Stefanovic has over 15 years engineering and research experience in hydraulics, systems analysis of rivers and watersheds, river mechanics, environmental fluid mechanics and sediment transport modeling. He has applied the HEC-6 and HEC-6T sediment transport models to a number of projects including Oak Glen Creek Detention Basins in the City of Yucaipa, California to assess the trapping efficiency of sediment basins; the Murrieta Creek Flood Control and Environmental Restoration Project in Temecula, California, conducting hydraulic and sedimentation analyses for the U.S.Army Corps of Engineers, Los Angeles District; Cyrus Wash near Bakersfield, California; and Santa Gertrudis Creek and Long Valley Wash near Temecula, California.

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Course Description

This intensive three-day seminar will prepare the engineer and water resource professional to use the HEC-RAS computer program for running sediment transport analyses. Led by experts from WEST Consultants with practical experience in sediment transport modeling, participants will learn how to approach and conduct a sediment transport study using HEC-RAS, including handling input parameters and boundary conditions, selecting a transport function, and performing
calibration and sensitivity analyses.

The HEC-RAS modeling system was developed as part of the Hydrologic Engineering Center’s “Next Generation” software and replaces several existing Corps of Engineers programs, including the HEC-2 water surface profile program. The recently released version 4.0 of HEC-RAS incorporates various aspects of hydraulic modeling, including water surface profile computations and bridge hydraulics, and for the first time, sediment transport modeling.

Version 4.0 of HEC-RAS includes advances in open channel hydraulic and sedimentation analysis such as:

  • Sediment Transport/Movable Bed Modeling
  • Sediment Impact Analysis Methods (SIAM)
  • Stable Channel Design Tools

HEC-RAS is user friendly, computationally efficient, and runs within, and fully supports, the Microsoft Windows environment. It uses the latest graphical user interface (GUI) technology for data entry, graphics, and display of program results. Complete context-sensitive help screens are available for every program feature and option. Software includes the following functions: file management, data entry and editing, hydraulic analyses, tabulation and graphical displays of input and output data, reporting facilities, and on-line help.

HEC-RAS is one of the most extensively-tested civil engineering computer programs ever developed. In addition to extensive in-house testing at the Hydrologic Engineering Center and at other Corps of Engineers’ offices, the program has been through two full “beta” releases, during which the program was tested by thousands of engineers in the private and public sectors.

NOTE: Participants need a thorough understanding of open channel hydraulics; particularly the assumptions, limitations, and use of procedures for computing open channel flow properties such as water surface elevation and velocity. Participants should be familiar with running HEC-RAS for steady flow analyses.

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    Learning Objectives

    Workshop participants receive the following publications and software:

    • HEC-RAS software (latest version)
    • HEC-RAS Hydraulic Reference Manual (on CD)
    • HEC-RAS User’s Manual (on CD)
    • HEC-RAS Course Notes
    • HEC-RAS Applications Manual (on CD)

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    Seminar Benefits

    • Learn how to use the U.S.Army Corps of Engineers’ HEC-RAS (River Analysis System) computer program to conduct sediment transport analyses
    • Gain hands-on HEC-RAS experience by participating in practical computer workshops
    • Get an overview of sedimentation principles for rivers, and how they work within a sediment transport model
    • Understand sediment transport methods and how to choose one
    • Learn how to identify and solve problems with sediment models

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    Who Should Attend

    Consulting engineers, water resource planners, engineers employed by local, state, or federal government agencies who currently execute and/or review sedimentation studies or plan to in the future. Participants should have sound experience in HEC-RAS steady flow computer modeling. They should also be able to follow simple computer instructions.

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      Summary Outline

      Day One

      • Sediment Transport in Natural Streams
      • Introduction to HEC-RAS and Sediment Modeling
      • Executing HEC-RAS for Sediment and Reading Output
      • Basic Sediment Transport Workshop
      • Hydraulic Sorting and Armoring
      • Selection of Sediment Transport Relations

      Day Two

      • Steps in Performing Sediment Studies
      • Development of Sediment Data Workshop
      • Calibration and Verification Techniques
      • Calibration and Verification Techniques Workshop

      Day Three

      • Methods for Estimating Sediment Yield
      • Troubleshooting an HEC-RAS Sediment Model
      • Troubleshooting an HEC-RAS Sediment Model Workshop
      • Field Reconnaissance for Sediment Studies
      • Stable Channel Design using HEC-RAS
      • Sediment Impact Analysis Methods (SIAM) Tools in HEC-RAS

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