Asphalt Plant Technician
The written examination for a Asphalt Plant Technician consists of the following areas:
• Fundamentals
• Sampling and Testing
• Control and Inspection
• Mix Proportioning and Adjustment
After successful completion of the written examination, the applicant will be required to pass a practical examination demonstrating their proficiency in conducting tests common to Hot-Mix Asphalt quality control.
Instructional Resources and Videos
Youtube - Instructional Videos:
- Quartering: Method for reducing aggregate samples.
- Marshall Compaction Process: Preparing specimens for stability testing.
- Bulk Specific Gravity: Determining the density of compacted specimens.
- Marshall Stability and Flow: Measuring resistance to plastic flow.
- Superpave Gyratory Compactor: Modern compaction simulation.
- Theoretical Maximum Specific Gravity (Rice Test): Determining the density of voidless HMA.
- Ignition and Wash Gradation: Determining asphalt content and aggregate distribution.
- Mixing: Standard laboratory mixing procedures.
- Loose Sampling (Scoop Method): Proper field sampling techniques.
- Loose Mix Sampling (Plate Method): Alternative sampling for quality assurance.
- Asphalt Compaction Update (Section 401): Review of 2019 specification updates.
