Research Article
Study on Mechanical Model for Postpeak Shear Behavior of Rock Joints Based on Degradation Characteristics of the 3D Morphology
Table 4
Fractal dimension
under different
and
u.
| u (mm) | (MPa) | Upper surfaces | Lower surfaces | 0.1 | 2.5 | 5.0 | 7.5 | 10.0 | 12.5 | 0.1 | 2.5 | 5.0 | 7.5 | 10.0 | 12.5 |
| 0 | 1.871 | 1.876 | 1.785 | 1.704 | 1.843 | 1.894 | 1.836 | 1.905 | 1.901 | 1.788 | 1.773 | 1.846 | 2.5 | 1.820 | 1.815 | 1.751 | 1.649 | 1.798 | 1.594 | 1.811 | 1.841 | 1.893 | 1.690 | 1.733 | 1.719 | 5.0 | 1.800 | 1.794 | 1.720 | 1.570 | 1.578 | — | 1.758 | 1.765 | 1.823 | 1.661 | 1.590 | — | 7.5 | 1.749 | 1.641 | 1.597 | 1.526 | 1.479 | 1.468 | 1.738 | 1.709 | 1.815 | 1.536 | 1.551 | 1.671 | 10.0 | 1.676 | 1.605 | 1.524 | 1.513 | 1.484 | — | 1.694 | 1.631 | 1.599 | — | — | — | 12.5 | 1.621 | 1.569 | — | — | — | — | 1.663 | 1.545 | — | — | — | — |
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