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Scour in Cohesive Soils

COURSE NO: G07-006
PDH CREDIT: 7
COURSE PROVIDER: Gilbert Gedeon, P.E.
Scour in Cohesive Soils
Course Highlights

This online engineering PDH course provides information on scour in cohesive soils and presents a study through which an erosion testing device that simulates open channel flow on a small scale was developed and tested. In addition, a recommended design approach is provided that can be used for estimating scour for a range of cohesive soils.

 

Scour in cohesive soils has been a challenge for engineers and designers. Unlike noncohesive soils, practical measurement techniques and well accepted guidance on the scourability of cohesive soils are severely lacking.

 

This course focuses on two main objectives. The first is to demonstrate a new ex situ erosion testing device (ESTD) that can mimic the near-bed flow of open channels to erode cohesive soils within a specified range of shear stresses. The second objective is to develop a method for estimating the critical shear stress and erosion rates for a limited range of cohesive soils in the context of the Hydraulic Engineering Circular 18 scour framework.

 

This 7 PDH online course is applicable to geotechnical and civil engineers who are interested in expanding their knowledge on the topic of scour and erosion processes in cohesive soils.
Learning Objectives

This PE continuing education course is intended to provide you with the following specific knowledge and skills:

  • Familiarizing with cohesive soils and the different factors influencing their behavior  
  • Understanding the erosion processes in cohesive soils
  • Understanding the design, operation, advantages and limitations of the ESTD
  • Knowing how the log-law velocity profile is reproduced in the test channel and how boundary shear stress is measured
  • Learning about the preparation of soil specimens and soil sample properties
  • Learning about the factors affecting erosion and the analytical development of the recommended design relations
  • Gaining an overview of future research recommendations in the field
Course Document
In this professional engineering CEU course, you need to review the course document titled, “Scour in Cohesive Soils”, which is based on the FHWA document “Scour in Cohesive Soils”, publication FHWA-HRT-15-033, dated May 2015.
To view, print and study the course document, please click on the following link(s):
SCOUR IN COHESIVE SOILS (1.4 MB)
Course Quiz
Once you complete your course review, you need to take a multiple-choice quiz consisting of thirty-five (35) questions to earn 7 PDH credits. The quiz will be based on the entire document.
The minimum passing score is 70%. There is no time limit on the quiz, and you can take it multiple times until you pass at no additional cost.
Certificate of Completion

Upon successful completion of the quiz, print your Certificate of Completion instantly. (Note: if you are paying by check or money order, you will be able to print it after we receive your payment.) For your convenience, we will also email it to you. Please note that you can log in to your account at any time to access and print your Certificate of Completion.

To buy the course and take the quiz, please click on: