Table 3 Peak point energy value.
From: The nonlinear energy model and stress–strain model of sandstone
Confining pressure/MPa | Ue/(MJ/m3) | U/(MJ/m3) | Ud/(MJ/m3) |
|---|---|---|---|
0 | 0.1193 | 0.1537 | 0.0344 |
10 | 0.2245 | 0.2830 | 0.0585 |
20 | 0.3374 | 0.4128 | 0.0754 |
30 | 0.4564 | 0.5408 | 0.0844 |
40 | 0.5689 | 0.6723 | 0.1034 |
