- Classification of Soils for Engineering Purposes (ASTM D 2487) - Requires Grain Size Analysis and Atterberg Determination

- Visual/Manual Classification of Soils (ASTM D 2488)

- Moisture Content Test (ASTM D 2216)

- Unconfined Compressive Strength (RIMAC)

- Unconfined Compressive Strength (ASTM D 2166), with SS curve

- Particle Size Analysis of Fine & Coarse Aggregates (ASTM C 136)

- Particle Size Analysis of Sieve and Wash Method (ASTM C 136 & D 1140)

- Particle Size Analysis of Soils by Combined Analysis (ASTM D 422)

- Atterberg Limits Determination (ASTM D 4318)

- Shelby Tube Handling, Extruding, Visual Classification & Preparation

- Density Determination on Shelby Tube or Split Spoon Specimen
Includes Moisture Content (ASTM D 2937)

- Specific Gravity Test, Fine Grained Sample (ASTM D 854)

- Organic Content, by Wet Combustion Method (AASTHO T 194)

- Organic Content, by Loss on Ignition Method (D 2974)

- Total Organic Carbon (USEPA Method 9060)

- Soil pH

- Aggregate Soundness, (5 cycle Sodium Sulfate) (ASTM C 88)

- Index Properties of Soils (Requires Combined Analysis)
Effective Grain Size
Uniformity Coefficient
Coefficient of Curvature

- Weight-Volume Relationships of Soils
incls. Specific Gravity, Porosity, Void Ratio, Degree of Saturation, Density and Moisture Content

- Moisture Density Relationships (Proctors)
Standard Proctor (ASTM D 698, AASHTO T 99)
Modified Proctor (ASTM D 1557, AASHTO T 180)

- Permeability Tests - By Triaxial Back Pressure Saturated Method (ASTM D 5084)
Tube Sample (2" or 3&quop; nominal diameter)
Remolded Bulk Sample
Notes: *Add tube handling/preparation charge where applicable.
          #Tests run at low gradient (i<5) quoted upon request.
 

- Permeability Tests (By Falling Head Method, coarse grained samples only)
Prepared sample from Bulk or Shelby Tube (U.S. Army Corp of Engineers, Engineer Manual, EM 1110-2-1906, Appendix VI)

- Permeability Tests (By Constant Head Method, coarse grained samples only)
Prepared sample from Bulk or Shelby Tube (ASTM D 2434)

(The Permeability Tests listed above will be done using tap water as the permeant, unless otherwise specified. Tests requiring the use of other liquids or leachate will require an additional charge.)
 
 

- Consolidation Properties of Soils (2-1/2" Dia. Specimen)
Regular Load Increments to 16 tsf
Additional Unload-Reload Cycle
Plots of Time Rate of Curves, Per Load Increment

- Direct Shear, Fast- Sand sample (ASTM D 3080)

- Triaxial Testing (2.8" Nominal Diameter Sample)
Unconsolidated, Undrained
Consolidated, Undrained, w/ Pore Pressure Measurements