Research Article
Compression Mechanical Properties and Constitutive Model for Soft–Hard Interlayered Rock Mass
Table 4
Average porosity of the samples.
| Orientation of interface | Porosity of two-layer rock-like (%) | Porosity of three-layer rock-like (%) |
| 0° | 14.4 | 15.6 | 10° | 11.7 | 13.7 | 30° | 11.6 | 12.7 | 45° | 10.8 | 14.5 | 60° | 11.3 | 12.2 |
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