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Aggregate Testing

Sand Equivalent (22)


Description
Welcome to the Sand Equivalent course. This course describes the sand equivalent test which is used to determine the relative proportion of fine dust or clay-like materials in fine aggregate. This includes a discussion on alternate tests for dust and plastic fines, a description of the current sand equivalent test method, and an examination of typical results.
Content
  • Overview
  • Background
  • Reason for the Sand Equivalent Test
  • Tests for Dust and Plastic Fines in Aggregate
  • Sand Equivalent (Figure 1)
  • Issues with the Sand Equivalent Test
  • Plasticity Index
  • Methylene Blue (MB) Test
  • Summary and Approximate Test Time
  • Summary
  • Approximate Test Time
  • Basic Procedure
  • Results
  • Parameters Measured
  • Specifications
  • Typical Values
  • Calcuations
  • (Quiz) Sand Equivalent
Completion rules
  • All units must be completed
  • Leads to a certification with a duration: Forever