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Attenuation law of concentrated stress under coal pillar of close coal seams and its application
When mining the multiple coal seams in close proximity, the coal pillar left in the goaf causes stress concentration in the floor. The layout of mining roadway in lower short distance coal seam is affected by the propagation of concentrated stress caused by the upper coal pillar. To determine the re...
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Nature Publishing Group UK
2022
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9758225/ https://www.ncbi.nlm.nih.gov/pubmed/36526690 http://dx.doi.org/10.1038/s41598-022-26036-x |