Research Article
Experimental and Numerical Study on Hydromechanical Coupled Deformation Behavior of Beishan Granite considering Permeability Evolution
Table 1
Permeability test results for specimen BSS-1 for three different initial pressure differences.
| Axial strain (%) | Axial stress (MPa) | Permeability () | 3.4 MPa | 5.4 MPa | 7.4 MPa |
| 0 | 0 | 3.77 | 2.97 | 2.33 | 0.386 | 38.6 | 1.05 | 1.30 | 1.34 | 0.629 | 79.3 | 1.03 | 1.12 | 1.29 | 0.855 | 123.8 | 0.55 | 1.08 | 1.26 | 1.066 | 165.6 | 0.94 | 1.29 | 1.65 | 1.240 | 201.8 | 1.45 | 1.92 | 2.36 | 1.528 | 256.6 | 3.43 | 5.30 | 7.54 | 2.337 | 81.8 | 72.74 | 55.31 | 59.57 |
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