Research Article
Mechanical Characteristics for Rocks under Different Paths and Unloading Rates under Confining Pressures
Table 1
Initial geostress condition of various rock samples.
| Paths | Number | | | | | (MPa) | (MPa) | (MPa⋅s−1) | (MPa⋅s−1) |
| I | x0-0 | 10 | 201.52 | 0.05 | 0 | x1-0 | 20 | 265.22 | 0.05 | 0 | x2-0 | 30 | 301.10 | 0.05 | 0 | y0-0 | 10 | 201.52 | 0.1 | 0 | y1-0 | 20 | 265.22 | 0.1 | 0 | y2-0 | 30 | 301.10 | 0.1 | 0 | z0-0 | 10 | 201.52 | 0.5 | 0 | z1-0 | 20 | 265.22 | 0.5 | 0 | z2-0 | 30 | 301.10 | 0.5 | 0 | b0-0 | 10 | 201.52 | 1.0 | 0 | b1-0 | 20 | 265.22 | 1.0 | 0 | b2-0 | 30 | 301.10 | 1.0 | 0 |
| II | x0-1 | 10 | 201.52 | 0.05 | −0.05 | x1-1 | 20 | 265.22 | 0.05 | −0.05 | x2-1 | 30 | 301.10 | 0.05 | −0.05 | y0-1 | 10 | 201.52 | 0.1 | −0.1 | y1-1 | 20 | 265.22 | 0.1 | −0.1 | y2-1 | 30 | 301.10 | 0.1 | −0.1 | z0-1 | 10 | 201.52 | 0.5 | −0.5 | z1-1 | 20 | 265.22 | 0.5 | −0.5 | z2-1 | 30 | 301.10 | 0.5 | −0.5 | b0-1 | 10 | 201.52 | 1.0 | −1.0 | b1-1 | 20 | 265.22 | 1.0 | −1.0 | b2-1 | 30 | 301.10 | 1.0 | −1.0 |
| III | x0-2 | 10 | 201.52 | 0.05 | 0.05 | x1-2 | 20 | 265.22 | 0.05 | 0.05 | x2-2 | 30 | 301.10 | 0.05 | 0.05 | y0-2 | 10 | 201.52 | 0.1 | 0.1 | y1-2 | 20 | 265.22 | 0.1 | 0.1 | y2-2 | 30 | 301.10 | 0.1 | 0.1 | z0-2 | 10 | 201.52 | 0.5 | 0.5 | z1-2 | 20 | 265.22 | 0.5 | 0.5 | z2-2 | 30 | 301.10 | 0.5 | 0.5 | b0-2 | 10 | 201.52 | 1.0 | 1.0 | b1-2 | 20 | 265.22 | 1.0 | 1.0 | b2-2 | 30 | 301.10 | 1.0 | 1.0 |
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