Cargando…
Analysis of coal face stability of lower coal seam under repeated mining in close coal seams group
Aiming at the problem of coal face failure of lower coal seam under the influence of repeated mining in close coal seams, with the working face 17,101 as a background, the coal samples mechanics test clarified the strength characteristics of the coal face under repeated mining, through similar simul...
Autores principales: | , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2022
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8752752/ https://www.ncbi.nlm.nih.gov/pubmed/35017575 http://dx.doi.org/10.1038/s41598-021-04410-5 |