The Geotechnical/Soils Laboratory tests soils and aggregates, evaluates rock and soil samples obtained by the Geotechnical Field Crews, and makes recommendations for the Bridge Design, Roadway Design, Construction and Maintenance Divisions. Examples of work performed in this laboratory include: hydrometer analysis, Atterberg limit tests, R-value determinations, Triaxial tests, Resilient Modulus Tests, pH tests, sodium sulfate soundness tests, proctor tests, permeability tests, and subgrade and base material stabilization analysis.
For additional information, contact the Materials Division at (501) 569-2185 or by email at Materials@ardot.gov.