How to Construct and Maintain Gravel Roads
Credit: 15 PDH Hours
Course Fee: $225.00
140 pages
How it Work!
- Register first and log into your account. Study and take the quiz for FREE until passed.
- After passing the quiz, follow the page, pay for the course and print your certificate.
Course Summary:
Good gravel road maintenance or rehabilitation depends on two basic principles: proper use of a motor grader (or other grading device) and use of good surface gravel. The use of the grader to properly shape the road is obvious to almost everyone, but the quality, volume, and size distribution of gravel needed is not as well understood. It seems that most gravel maintenance or rehabilitation problems are blamed on the grader operator when the actual problem is often material related. This is particularly true when dealing with the problem of corrugation or “washboarding” as it is often called in the field. This problem is often perceived as being caused by the grader, but it is primarily caused by the material itself. This manual provides information on what makes a good gravel road surface.
Learning Objective:
By the end of this course the student will learn how a gravel road is constructed and maintained.
Course Content
Course Author: Franco Davati, P.E.
Certificate of completion of the course
This course comes with a multiple-choice quiz. You can view the quiz and take the quiz if you are logged in your account. You can take the quiz for this online PDH course as many times until passed. The passing grade is 70% and above. After you pass the quiz simply follow the page, to pay for the course and print your certificate instantly. A copy of the certificate and receipt for this course will always be in your account.
This online PDH course can also be used as a continuing education course for the following.
Architects
PE Civil Engineers
PE Structural Engineers
PE Environmental Engineers
CE Contractors
Landscape Architects
