Research Article
Compressive Strength of Compacted Clay-Sand Mixes
Table 1
Geotechnical index properties of the investigated materials.
| | Property | Test method | Natural clay | River sand |
| | Specific gravity () | D854-10 | 2.75 | 2.65 | | Material finer than 0.075 mm | D6913-04(09) | 98.5 | 1.0 | | Material finer than 0.002 mm | D6913-04(09) | 64.0 | — | | (mm) | D2487-11 | — | 0.34 | | (mm) | D2487-11 | — | 0.85 | | (mm) | D2487-11 | — | 1.81 | | Coefficient of curvature ()a | D2487-11 | — | 1.2 | | Coefficient of uniformity ()b | D2487-11 | — | 5.3 | | Liquid limit, (%) | D4318-10 | 63 | — | | Plastic limit (%) | D4318-10 | 28 | — | | USCS classification | D2487-11 | CH | SP |
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