Software for grain size and Atterberg tests and soil classifications. ASTM C 136, ASTM C 117 ASTM D 422, ASTM D 1140, AASHTO T-11, AASHTO T-27, AASHTO T 88, Australian Standard AS 1141.11, AS 1141.12, AS 1289.3.6.1, ASTM D 4318, AASHTO T 89, AASHTO T 90, AS 1289.3.1.1, AS 1289.3.2.1, AS 1289.3.3.1, ASTM D 2487 (USCS), AASHTO M 145 (ASTM D 3282), USDA, AS 1726, Burmister.

Classification Suite license fees

How to license Classification Suite

CLSuite combines our popular grain size distribution program with software for calculating Atterberg limits and soil classifications. This package generates professional quality grain size test reports (click here and here for samples), Atterberg limits test reports (click here for samples) and a USDA textural triangle report (click for a sample).

The software calculates:

  • Sieve percentages (i.e., percent finer) and conformance to specification
  • Fractional percentages (e.g., percent gravel, coarse, medium and fine sand, etc.)
  • Calculated diameters and various percentages (e.g., D10, D30, D60)
  • Fineness modulus
  • Hydrometer results
  • Coefficients of concavity and uniformity (Cc and Cu)
  • Natural moisture
  • Index values (liquid and plastic limit, plasticity and liquidity index)
  • Soil classifications, including USCS (ASTM D 2487) AASHTO M 145 (also designated as ASTM D 3282), USDA, Burmister and AS 1726, and additional DOT-specific classification systems are freely downloadable from our website

New in version 4

  • Export reports in .PDF and .XML format (ideal for e-mailing results to clients)
  • Liquidity index calculation
  • Natural moisture content
  • Australian Standard 1726 soil classification and support for Australian Standards AS 1141.11 (grain size), and AS 1289.3.1.1, AS 1289.3.2.1 and AS 1289.3.3.1 (Atterberg limits)
  • Printed USDA textural triangle report
  • Fractional grain size percentages can be calculated using the particle size divisions specified by ASTM, AASHTO, Burmister, Wentworth, AS 1726 and various state DOTs
  • Multiple sample splits for sieve tests
  • New particle size chart styles, including Wentworth (Phi) and log(size) vs. probability
  • New chart reports
  • Container weight database: The software can be set up to keep a list of IDs and weights for sample containers. This new feature allows you to skip weighing moisture content and sieve test sample containers.
  • Printed charts can include color curves
  • Selectable chart scales
  • Chart reports can include a disclaimer and "Tested by" and "Checked by" signature areas
  • Integrated system means no more switching between your grain size, Atterberg limits and soil classifications modules. Your soil classifications are calculated automatically without you needing to view the USCS, AASHTO, etc. test windows.

Please see this page for more details on new grain size distribution features.

Learn more about CLSuite...

CLSuite4 licensees: click here to view a set of datafiles used to test the program's particle size calculations. (The calculations documented in these files can help you in manually verifying the program's correctness.)



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