Soil Testing
| Classification | ASTM D2488 |
|---|---|
| Water Content | ASTM D2216 |
| Grain Size Analysis | |
| • Sieve and Hydrometer Analysis | ASTM D7923 |
| • Coarse Sieve (using Splits) | ASTM D6913 |
| Atterberg Limits | ASTM D4318 |
| Shrinkage Limit | ASTM D427 |
| Specific Gravity | ASTM D854/C127 |
| Bulk Density (Unit Weight) | ASTM C29/D7263 |
| Moisture Density Relationship (Proctor): | |
| • Modified Proctor (4″ and 6″) | ASTM D1557 |
| • Standard Proctor (4″ and 6″) | ASTM D698 |
| Relative Density-Vibratory (Coarse Grained Soil) | ASTM D4253/D4254 |
| Hydraulic Conductivity/ Permeability | |
| • Fine Grained (Intact or Reconstituted) | ASTM D5084 |
| • Coarse Grained using 4″ mold | ASTM D2434 |
| • Gravel using 9″ mold | ASTM D2434 |
| Unconfined Compression | ASTM D1633 |
| Unconsolidated Undrained Triaxial Compression | ASTM D2850 |
| Organic Content | ASTM D2974 |
| pH | ASTM D4972 |
| Soluble Salts | Curr. Lit |
| Expansion Index | ASTM 4829, UBC Std 18-2 |
| Clay Dispersion by Pinhole | ASTM D4647 |
| CBR (California Bearing Ratio) | ASTM D1883 |
| Electrical Resistivity | ASTM G57 |
| Thermal Resistivity (Dryout Curve) | ASTM D5334 |