Individual-portal support with a pre-tensioned canopy for a coal mine roadway junction
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23 set 2024
INFORMAZIONI SU QUESTO ARTICOLO
Categoria dell'articolo: Original Study
Pubblicato online: 23 set 2024
Pagine: 283 - 301
Ricevuto: 22 apr 2024
Accettato: 04 giu 2024
DOI: https://doi.org/10.2478/sgem-2024-0021
Parole chiave
© 2024 Marek Rotkegel et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
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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 |