Overview
A well stabilized soil is essential for the proper function of our roads, bridges, dams, runways, etc. Soil stabilization occurs during first stages of a project. The degree of soil stabilization could easily determine the life of a structure. This course will discuss the soil stabilization methods for pavements.
Due to the non-homogenous nature of soil, it is common to find soils of different types, stability, compaction, and moisture content within one project. Stabilizing soils is often required before using the soil as a sub-base material. Base materials such as gravel and sand are placed upon the soil before the addition of an asphalt or concrete finished surface. There are several types of soil stabilization methods that will be discussed in this course. Using the methods presented herein will enable to student to apply soil stabilization methods across a broad spectrum of applications.
Chemical additives as well as mechanical stabilization methods will be discussed. The course covers several government and non-government testing standards such as ASTM and MIL. Testing methods are also discussed to give the student further background and resources to determine the best and most efficient form of soil stabilization.
This 5 hour course will examine the use of soil stabilization methods for pavements. It will provide useful information that can be used by the designer, contractor and owner of pavement projects both large and small.
This course is to be read by anyone with an interest in soil stabilization, slurry stabilizing methods, chemical composition of lime, transportation engineering, air pollution, environmental engineering or anyone wanting to know the several methods used to stabilize soils
The course materials are based solely on the technical manual “Soil Stabilization for Pavement” as found on the website of the Army Corps of Engineers. This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of course materials.
The student must take a multiple-choice quiz consisting of thirty (30) questions at the end of this course to earn PDH credits.
Specific Knowledge or Skill Obtained
This course teaches the following specific knowledge and skills:
- Why geotechnical engineering problems have multiple correct solutions.
- The use of bearing capacity equations for footings of various shapes.
- Different forms of soil stabilization
- Improvements achieved through stabilization
- The use of lime in stabilization measures
- Different types of limes and their uses
- Scarification and compaction processes
- Use of slurry mixes
- Methods to determine the compaction density of soil
- Recommended application rate of a bituminous membrane
- How the Gravimetric Method is used
- Ideal temperature for cold mix construction
- Additives that can be used in soil stabilization
- Preferred methods of curing
- Uses of Class C fly ash
- How to classify potential swell
- Uses of types I, IA, II and III cements
Course
Click on the following link to the PDF document to review the course material before taking the quiz for credit.
Soil Stabilization for Pavements
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