| Course: |
Aggregate Laboratory Testing Technician
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| Objective: |
To ensure that all tests used for materials acceptance are completed in accordance with approved AASHTO methods or alternate procedures as indicated.
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| Course Content: |
This course is offered in two one-day modules. The first module includes test methods that satisfy FDOT's minimum requirements for qualification as Aggregate Field Testing Technician. The second module includes the additional test methods required for certification as ACI Aggregate Field Testing Technician.
Day One Module:
- Specific Gravity and Absorption of Coarse Aggregate (AASHTO T-85)
- Specific Gravity and Absorption of Fine Aggregate (AASHTO T-84)
- Unit weights and Voids in Aggregate (AASHTO T-19)
- Resistance of Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine (AASHTO T-96)
- Resistance of Degradation of Large-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine (ASTM C-535)
- Shell Content of Coarse Aggregate (FM 5-565)
Day Two Module: (Not available at this time)
- Organic Impurities in Fine Aggregate in Concrete (AASHTO T-21)
- Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate (AASHTO T-104)
- Lightweight Pieces in Aggregate (AASHTO T-113)
- Plastic Fines in Graded Aggregates and Soils by Use of Sand Equivalence (AASHTO T-176)
- Test Method for Uncompacted Void Content of Fine Aggregate (AASHTO T-33)
- Determining Percent of Fractured Particles in Coarse Aggregate (ASTM D-5821)
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| Duration of Class: |
Two or three days. Trainees registered for the "Day One" module will take the examinations on the second day. Trainees registered for the full course will take the examination on the third day.
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Examinations: |
Written
Required. This course uses the ACI standard certification examination. Open book, 1.5 hours.
Proficiency
Required. Each trainee will be expected to correctly demonstrate skills in conducting the applicable test methods. Each trainee will be given two chances to pass each test. Two failures in one area will constitute failure of the proficiency examination.
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