Table 3 The plasticity index under different content of calcium carbonate.
Content of calcium carbonate(%) | Plastic limit(%) | Liquid limit(%) | Plasticity index (IP) | Montmorillonite (%) |
|---|---|---|---|---|
0 | 37.53 | 49.68 | 12.15 | 36.1 |
5 | 24.88 | 39.23 | 14.35 | 33.0 |
10 | 24.35 | 39.38 | 15.03 | 30.7 |
15 | 23.43 | 39.91 | 16.48 | 28.5 |
20 | 24.38 | 38.67 | 14.29 | 26.1 |