Research Article
Study of the Influence of Clay Minerals on the Mechanical and Percolation Properties of Weakly Cemented Rocks
Table 3
Mechanical characteristic parameters of weakly cemented rock samples.
| The clay mineral proportions S(%) | 20 | 30 | 40 | 50 | 60 |
| Peak stress (MPa) | 13.683 | 11.662 | 8.991 | 7.272 | 5.438 | Initial stress of crack development (MPa) | 5.725 | 8.826 | 6.796 | 4.262 | 3.742 | Rapid crack propagation stress (MPa) | 11.526 | 10.732 | 8.124 | 6.638 | 5.291 | Peak strain (%) | 0.707 | 0.763 | 0.876 | 0.731 | 0.586 | Elastic module (GPa) | 2.788 | 2.247 | 1.633 | 1.343 | 1.079 |
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