Individual-portal support with a pre-tensioned canopy for a coal mine roadway junction
, und
23. Sept. 2024
Über diesen Artikel
Artikel-Kategorie: Original Study
Online veröffentlicht: 23. Sept. 2024
Seitenbereich: 283 - 301
Eingereicht: 22. Apr. 2024
Akzeptiert: 04. Juni 2024
DOI: https://doi.org/10.2478/sgem-2024-0021
Schlüsselwörter
© 2024 Marek Rotkegel et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Figure 1:
Figure 2:
Figure 3:
Figure 4:
Figure 5.
Figure 6:
Figure 7:
Figure 8:
Figure 9:
Figure 10:
Figure 11:
Figure 12:
Figure 13:
Figure 14:
Figure 15:
Figure 16:
Figure 17:
Figure 18:
Figure 19:
Figure 20:
Figure 21:
Figure 22:
Figure 23:
Figure 24:
Figure 25:
Figure 26:
Figure 27:
Comparison of results of the bearing capacity analyses for the shell model and the beam model_
| 258.21 | 15.91 | 292.5 | 18.44 | |
| 189.90 | 14.13 | 218.1 | 16.80 | |
| 118.87 | 9.72 | 146.3 | 11.52 | |
Mechanical parameters of rock mass in the Cam Pha coal basin, Vietnam_
| Sandstone | 3.94 | 2.58 | 32 | 4.0 | 1.20 | 2500 |
| Mudstone | 2.33 | 1.40 | 30 | 2.0 | 0.56 | 2700 |
| Claystone | 1.67 | 1.00 | 28 | 1.2 | 0.25 | 2600 |
| Coal | 1.25 | 0.58 | 25 | 0.8 | 0.10 | 1400 |