Countermeasure Design for Bridge Scour and Instability
NHI Course Number: 135048
A detailed description of this course is on the National Highway Institute website. Some highlights from this description are below.
This course provides an overview of countermeasures to highway related failures from the effects of stream instability, scour, erosion, and stream aggradation and degradation problems. Material for the 2.5-day course comes primarily from Hydraulic Engineering Circular (HEC) “Bridge Scour and Stream Instability Countermeasures – Experience, Selection, and Design Guidance” (HEC-23).
Given a stream instability and scour problem, participants will select appropriate countermeasures to correct the problem. The course provides training in recommended strategies for developing a plan that includes appropriate countermeasures, including alternatives to conventional riprap and filter design.
Participants will apply hydraulics analysis techniques to countermeasure design for seven design guideline workshops. The course provides an introduction to fixed and portable instrumentation for scour monitoring using slides and video demonstrations. Participants will receive training in designing a monitoring program to reduce the risk from scour.
Required: NHI Courses 135086 and 135087 are Web-based training modules and are required prerequisites for Countermeasure Design for Bridge Scour and Instability (135048). These are FREE one-hour online courses that focus on fundamental concepts in stream stability and scour. Please go to www.nhi.fhwa.dot.gov to register and complete these online prerequisite courses.
Recommended: NHI Course 135046 provides training in identifying and analyzing stream instability and scour problems at highway bridges and is recommended as a prerequisite for this course.
Federal, State, and local highway hydraulic, structural, and geotechnical engineers and bridge inspectors responsible for maintaining the integrity of highway bridges against possible hydraulic-related problems. Consultants who do bridge engineering work are also encouraged to attend.
Similar to other NHI courses, a graded post-course test will also be given and a passing grade is needed to receive a certificate with continuing education units.
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