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Aggregate Testing

Fine Aggregate Angularity (FAA) (20)


Description
Welcome to the Fine Aggregate Angularity course. This course describes the fine aggregate angularity (FAA) test, a method of determining the angularity of fine aggregate, which is important in determining hot mix asphalt mixture susceptibility to deformation under load (rutting). This includes a discussion on the origins of this test, the alternate compacted aggregate resistance test, alternate video imaging tests, a description of the current uncompacted voids test method, and an examination of typical results.
Content
  • Overview
  • Background
  • About Fine Aggregate Angularity
  • Fine Aggregate Angularity Methods
  • Method A
  • Method B
  • Method C
  • Current Issues and Alternate Tests
  • Current FAA Issues
  • Alternate FAA Tests
  • The Compacted Aggregate Resistance (CAR) Test
  • Figure 6 and Figure 7
  • Summary and Approximate Test Time
  • Summary
  • Approximate Test Time
  • Basic Procedure (Method A)
  • Results
  • Parameters Measured
  • Specifications
  • Typical Values
  • Calculations
  • (Quiz) Fine Aggregate Angularity
Completion rules
  • All units must be completed
  • Leads to a certification with a duration: Forever