| Laboratory test | Standard |
| Sieve Analysis and Hydrometer Analysis | ASTM D422-63 [22] |
| Natural Moisture Content | ASTM D-2216 [23] |
| Bulk Density | ASTM D7263-09 [24] |
| Consolidation | ASTM D-2435 [25] |
| Direct Shear | ASTM D-3080 [26] |
| Sulphate/Chloride/pH/Organic Matter Content | BS 1377 Part 3 |
| Atterberg’s Limits | ASTM D4318 [27] |