Research on feasibility of double -roadway layout below coal pillar in shallow and close coal seam
For the feasibility of double -roadway layout in hypogynous coal seam in A Coal Mine of Shendong mining area when working faces in shallow and close coal seam are synchronously mined, roadway deformation and plastic zone failure characteristics below an overburden 35 m wide coal pillar are researche...
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| Autor Principal: | |
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| Formato: | Artigo |
| Idioma: | Chinês |
| Publicado: |
Editorial Department of Industry and Mine Automation
2020-11-01
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| Series: | Gong-kuang zidonghua |
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| Acceso en liña: | http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671 -251x.17618 |
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