Research Article
Impacts of Addition of Palm Kernel Shells Content on Mechanical Properties of Compacted Shale Used as an Alternative Landfill Liners
Table 1
Geotechnical properties of the untreated shale.
| | Parameters | Values |
| | Natural moisture content (%) | 20.00 | | Specific gravity (g) | 2.24 | | Liquid limit, LL (%) | 56.60 | | Plastic limit, PL (%) | 35.31 | | Plasticity index, PI (%) | 21.29 | | AASHTO classification | A-7-5 | | Unconfined compressive strength, UCS (kPa) | 375.10a, 426.20b | | Hydraulic conductivity (m/s) | 5.24 × 10−7a, 0.43 × 10−7b | | Volumetric shrinkage strain, VSS (%) | 14.93a, 16.03b | | Maximum dry density (Mg/m3) | 1.45a, 1.51b |
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aResults from West African Standard (WAS). bResults from Modified AASHTO Standard (MAS).
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