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Geotechnical considerations for concurrent pillar recovery in close-distance multiple seams
Room-and-pillar mining with pillar recovery has historically been associated with more than 25% of all ground fall fatalities in underground coal mines in the United States. The risk of ground falls during pillar recovery increases in multiple-seam mining conditions. The hazards associated with pill...
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
2017
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5798255/ https://www.ncbi.nlm.nih.gov/pubmed/29423329 http://dx.doi.org/10.1016/j.ijmst.2017.12.012 |