Research Article
Permeability Characteristic and Failure Behavior of Filled Cracked Rock in the Triaxial Seepage Experiment
Table 3
Seepage test results of intact sandstone.
| | Sample | Size (mm) | Density ρ(g cm−3) | Elastic modulus E(GPa) | Confining pressure σ3 (MPa) | Pore pressure (top) (MPa) | Pore pressure (bottom) (MPa) | Osmotic pressure difference (MPa) | Peak stress σ1t(MPa) | Peak strain | Permeability (darzy) |
| | 0-1 | | D | 49.00 | 2.24 | 8.64 | 10.00 | 7.00 | 1.00 | 5.96∼6.15 | 75.09 | 0.0101 | 1.35∼1.7739 | | H | 100.02 |
| | 0-2 | | D | 48.00 | 2.24 | 8.87 | 20.00 | 7.00 | 1.00 | 5.61∼5.94 | 89.32 | 0.0128 | 0.63∼0.94 | | H | 99.55 |
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