Resistance R-value Test Reporting

  • ASTM D2844
  • AASHTO T 190
  • California Test 301
  • Idaho DOT T-8
New License —  
Site license for new users

Upgrade from version 1.x —  
Price to upgrade from R-VALUE version 1.x (Windows) module

The GEOSYSTEM Resistance R-value (R-VALUE) software is designed to reduce laboratory data from a resistance R-value and/or expansion pressure test (ASTM D2844, AASHTO T 190, California Test CT 301 and Idaho T-8).


  • Enter either exudation load or exudation pressure
  • Interactive modification of the R-value vs. expansion pressure and exudation vs. expansion pressure curves
  • Printed summary lists of all testing data and results
  • Report export to .PDF files

All GEOSYSTEM programs are site licensed. One license fee covers unlimited installations at a single address and there are no ongoing maintenance costs.