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Search for courses based on delivery type, program area, or topic below, or find upcoming trainings in your state or territory. For more information on trainings from the National Highway Institute, contact us.

Course Description

Stream Stability and Scour at Highway Bridges

PROGRAM AREA: Hydraulics
COURSE NUMBER: FHWA-NHI-135046
Instructor-led Training (ILT)Instructor-led Training (ILT)
Calendar Year
Length
CEU
Host Price
2017
3 Days
2 Units
$975 Per Participant

TRAINING LEVEL: Intermediate

CLASS SIZE: Minimum: 20 Maximum: 30

COURSE DESCRIPTION:

The National Highway Institute's (NHI) 3-day Stream Stability and Scour at Highway Bridges course provides participants with comprehensive training in the prevention of hydraulic-related bridge failures. Course participants will receive training in conducting a stream stability classification and qualitative analysis of stream response and make estimates of scour at a bridge opening.

Material for the course comes primarily from two Hydraulic Engineering Circulars (HEC), "Evaluating Scour at Bridges" (HEC-18), 5th Edition (2012), and "Stream Stability at Highway Structures" (HEC-20), 4th Edition (2012). The effects of stream instability, scour, erosion, and stream aggradation and degradation are covered. Quantitative techniques are provided for estimating long-term degradation and for calculating the magnitude of contraction scour in a bridge opening. Procedures for estimating local scour at bridge piers and abutments for simple and complex substructures are also provided. A comprehensive workshop integrates qualitative analysis and analytical techniques to determine the need for a Scour Plan of Action for correcting stream instability and scour problems. For this 3-day course, the host agency will need to select 3 optional topics (out of 8 possible topics). Course instructors will contact the host prior to the course to complete a pre-course questionnaire, determine optional topics to be taught, and discuss the course schedule.

This comprehensive training provides preventive techniques for identifying, analyzing, and calculating various hydraulic factors that impact bridge stability. Public and private sector engineers responsible for maintaining the integrity of highway bridges will find it invaluable.

Prior to the beginning of the course, participants are strongly encouraged to enroll in the following Web-based training (WBT) courses: 135091 Basic Hydraulic Principles Review, 135086 Stream Stability Factors and Concepts, and 135087 Scour at Highway Bridges: Concepts and Definitions. Mastery of the concepts covered in these WBTs will enhance participation in the Instructor-led training.

OUTCOMES:

Upon completion of the course, participants will be able to:

  • Identify indicators of stream instability that can threaten bridges
  • Identify stream types and their potential for instability problems
  • Describe open-channel hydraulics concepts in bridge scour and stream instability analyses
  • Define types of scour that can occur at bridge crossings
  • Describe aggradation, degradation, and contraction scour
  • Calculate contraction scour for live bed and clear water conditions
  • Describe factors that influence scour at piers
  • Calculate pier scour for three typical case studies
  • Describe the factors that influence scour at abutments
  • Describe how HEC-18, HEC-20, and HEC-23 provide analysis procedures for stream instability and bridge scour
  • Perform Level I and II analyses
  • Classify a stream using two different classification systems
  • Conduct a qualitative analysis of stream responses
  • Apply the HEC-18 scour equations to determine total scour at a bridge
  • Determine the need for a Scour Plan of Action at a scour-critical bridge

TARGET AUDIENCE:

Federal, State, and local highway hydraulic, structural, and geotechnical engineers as well as bridge inspectors responsible for maintaining the integrity of highway bridges against possible hydraulic-related problems. Consultants who perform bridge engineering work are encouraged to attend.

If you have questions about this NHI training, please contact NHI at nhicustomerservice@dot.gov or 877.558.6873.


135046 SESSION INFORMATION:

Start Date: 6/27/2017
End Date: 6/29/2017
Location: DIMONDALE, MI
Local Coordinator: Jennifer Howe (517) 373-8350
Availability:
No Public Seats Available
 
Please contact the Local Coordinator to enroll in this session.
 
2 FHWA Seats
 
Start Date: 7/11/2017
End Date: 7/13/2017
Location: HOUSTON, TX
Local Coordinator: Audrey Zenon (512) 416-2000
Availability:
3 Public Seats
$975 Per Participant
 
3 FHWA Seats
 
Start Date: 10/24/2017
End Date: 10/26/2017
Location: AUSTIN, TX
Local Coordinator: Shandon Richardson (512) 486-5428
Availability:
5 Public Seats
$975 Per Participant
 
3 FHWA Seats
 

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Host this Course

The National Highway Institute (NHI) has been accredited as an Accredited Provider by the International Association for Continuing Education and Training (IACET). In obtaining this accreditation, NHI has demonstrated that it complies with the ANSI/IACET Standard which is recognized internationally as a standard of good practice. As a result of their Accredited Provider status, NHI is authorized to offer IACET CEUs for its programs that qualify under the ANSI/IACET Standard.

 

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