Certification

Aggregate Base Testing Technician—AASHTO

American Concrete Institute

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An Aggregate Base Testing Technician—AASHTO Methods is an individual who has demonstrated the knowledge and ability to properly perform, record, and report the results of basic field and laboratory procedures for aggregates and soils using AASHTO standards.

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Skills taught

Perform in-place density testing of aggregate base per AASHTODetermine moisture-density relations per AASHTOConduct particle size analysis of base materialsPerform sand equivalent testing per AASHTO methods
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