Print this page Gravel Roads Maintenance and Design
Course Outline
Did you know that more than 50% of all the roads in the US and more than 90% of all the roads in the world are unpaved? This course presents
information on the gravel roads maintenance and design for the benefit of engineers, contractors, planners, managers, and grader operators. The contents
cover routine maintenance and rehabilitation, drainage, surface gravel, dust control/stabilization and innovations.
The course materials are based entirely on the Federal Highway
Administration publication:
Gravel Roads Maintenance and Design Manual. This course
includes a multiple-choice quiz at the end, which is designed to enhance the
understanding of course materials.
Learning
Objectives
At
the conclusion of this course, the student will:
- Be familiar with the related terminology and acronyms;
- Understand the proper road cross section;
- Know the recommended crown;
- Be familiar with routine shaping principles;
- Understand the causes of corrugation;
- Know how to deal with corrugation;
- Understand the causes of high shoulders;
- Know how to deal with high shoulders;
- Be able to improve the roadway drainage;
- Understand what is good gravel;
- Know the process for obtaining good gravel;
- Understand the need for testing aggregates;
- Know how to calculate the volume of gravel;
- Be familiar with the types of stabilizers;
- Understand the benefits of stabilization;
- Learn methods for dust control;
- Understand the concept of gradation;
- Understand the material specification;
- Know how to communicate with the suppliers;
- Understand the function of culvert and bridge;
- Know how to calculate the required thickness of gravel;
- Learn the vital factors in the roadway design;
- Learn how to decide whether to pave a gravel road; and
- Be aware of the innovative equipment and methods.
Course Content
In this course,
you will be directed
to the website of the U.S. Environmental Protection Agency (EPA) to study
the following EPA publication:
Gravel Roads Maintenance and Design Manual (104
pages, PDF file format, 29 MB).
Please
click on the above underlined hypertext to view, save or print the document
for your study. Because of the large file size, it is recommended to save the entire document to your computer by right-clicking the mouse and choosing "Save Target As..." before you open the document.
Related
Links
For
additional technical information related to this subject, please visit the following
websites or web pages:
Design and Appraisal of Rural Transport Infrastructure (PDF)
Ideas for Stretching a Gravel Road Maintenance Budget (from Spring 1999 Issue of the KUTC Newsletter)
Quiz
DISCLAIMER: The materials contained in the online course are not intended as a representation or warranty on the part of PDHonline.org or any other person/organization named herein. The materials are for general information only. They are not a substitute for competent professional advice. Application of this information to a specific project should be reviewed by a registered professional engineer. Anyone making use of the information set forth herein does so at their own risk and assumes any and all resulting liability arising therefrom.
