Research Article
The Compressibility and Swell of Mixtures for Sand-Clay Liners
Table 1
Physical properties of Al-Qatif clay.
| Property | Range |
| Material passing sieve number 200 | >90% | Liquid limit | 130–150 | Plastic limit | 60–70 | Plasticity index | 70–80 | Maximum dry density | 1.150–1.200 gm/cm3 | Optimum moisture Content | 32–40% | Swell percent (ASTM D4546) | 16–18% | Swelling pressure (ASTM D4546) | 500–800 kN/m3 ( = 12 kN/m3) |
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