Table 2 Mechanical parameters of the cohesive zone model.
From: Numerical simulation of fracture patterns in roof strata with different thicknesses
h/(mm) | \({K}_{nn}\)/(GPa) | \({K}_{ss}\)/(GPa) | \({K}_{tt}\)/(GPa) | \({\sigma}_{nn}\)/(MPa) | \({\sigma}_{ss}\)/(MPa) | \({\sigma}_{tt}\)/(MPa) | \({G}_n^{C}\) | \({G}_{s}^{C}\) | \({G}_{t}^{C}\) | \(\eta\)/(1) |
|---|---|---|---|---|---|---|---|---|---|---|
20 | 12.0 | 2.4 | 2.4 | 4.00 | 9.00 | 9.00 | 0.06 | 0.20 | 0.20 | 2.0 |
45 | 12.0 | 2.4 | 2.4 | 4.00 | 8.00 | 8.00 | 0.06 | 0.20 | 0.20 | 2.0 |
65 | 12.0 | 2.4 | 2.4 | 2.50 | 6.72 | 6.72 | 0.05 | 0.30 | 0.30 | 2.0 |