Analysis of proper position of extraction roadway on roof in high-strength gas emission workface: A case study of Zhaozhuang coal mine in southern Qinshui Basin
When mining high-rank coals with strong adsorption and weak desorption, the fully mechanized mining face of a thick coal seam under full-seam mining may encounter broken coal, surrounding rock and instantaneous release of large amounts of gas into the mining space from adjacent coal seams due to min...
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| Autores principales: | , , , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Elsevier
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/ef0e1983957c4cb685344c7060480101 |
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