Research Article
Permeability Evolution and Particle Size Distribution of Saturated Crushed Sandstone under Compression
Table 3
Fractal dimension of the particle size distribution under variable axial stresses.
| Specimen number | Talbot exponent () | Fractal dimension () under variable axial stresses | 0 MPa | 2 MPa | 4 MPa | 8 MPa | 12 MPa | 16 MPa |
| | 0.2 | 2.098 | 2.242 | 2.339 | 2.403 | 2.458 | 2.491 | | 0.4 | 1.985 | 2.177 | 2.289 | 2.363 | 2.442 | 2.459 | | 0.6 | 1.863 | 2.081 | 2.243 | 2.328 | 2.375 | 2.406 | | 0.8 | 1.733 | 1.993 | 2.146 | 2.280 | 2.345 | 2.384 |
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