Research Article
The Compressibility and Swell of Mixtures for Sand-Clay Liners
Table 7
Summary of swell and compression data for Form C clay.
| Clay content | Mixture form | Compression index Cc | Swell index Cs | Void ratio | Swell % | Swell pressure (kPa) | Dry density kN/m3 | m.c. % |
| 5% (S2 -a) | Form C | 0.0275 | — | 0.5167 | 0.92 | 60 | 17.5 | 0 | 5% (S2 -b) | Form C | 0.0347 | 0.0141 | 0.4925 | 0.24 | 8 | 17.8 | 11 | 10% (S4 - a) | Form C | 0.0438 | — | 0.5198 | 1.91 | 100 | 17.5 | 0 | 10% (S4 - b) | Form C | 0.0392 | 0.0114 | 0.4620 | 2.26 | 25 | 18.2 | 11 | 15% (S6 - a) | Form C | 0.0721 | — | 0.5198 | 4.48 | 180 | 17.5 | 0 | 15% (S6 - b) | Form C | 0.0352 | 0.0219 | 0.4706 | 4.09 | 60 | 18.1 | 13 | 20% (S8 -a) | Form C | 0.0718 | 0.0274 | 0.4417 | 10.80 | 150 | 18.5 | 13 | 20% (S8 -b) | Form C | 0.0573 | 0.0209 | 0.4490 | 18.15 | 150 | 18.5 | 13 | 25% (S10 -a) | Form C | 0.0666 | 0.0127 | 0.4739 | 13.19 | 170 | 18.1 | 17 | 25% (S10 -b) | Form C | 0.0605 | 0.0206 | 0.4773 | 16.56 | 170 | 18.1 | 17 | 30% (S12 -a) | Form C | 0.1370 | 0.0302 | 0.5569 | 34.74 | 200 | 17.7 | 16 | 30% (S12 -b) | Form C | 0.0870 | 0.0249 | 0.5523 | 28.11 | 200 | 17.7 | 16 |
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