E – 1423 – Hot Mix Asphalt Spray and Surface Applications
Intended Audience: civil engineers and construction managers
PDH UNITS: 3
Spray application is a term used to describe many different types of asphalt applications. More maintenance and repair work for flexible pavements is accomplished by spray applications of an asphalt material than by any other technique. When properly constructed, asphalt spray applications are economical as well as long lasting and are beneficial in treating or improving the pavement condition and increasing the life of the pavement. Where additional thickness is needed to increase the structural strength of pavements, spray applications are of little help because they contribute little to the structural strength. The different types of spray applications to be discussed in detail in here are: prime coats, tack coats, fog seals and rejuvenators.
1. SPRAY APPLICATIONS
2. SURFACE TREATMENTS
This course will give you professional tools that will help you to understand how to address special design and construction considerations for surface and spray applications in construction and maintenance of asphalt concrete pavements.
At the successful conclusion of this course, you’ll be able to identify and discuss:
- Learn about prime, tack and fog seal applications;
- Learn the basic requirements for prime coat applications;
- Learn about low viscosity asphalt materials;
- Learn about tack coat application rates;
- Learn the techniques for fog seal applications;
- Learn how to apply surface applications; and
- Learn how to apply slurry seals..
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