Analysis of the Influence Characteristics of the Support Stability of a Fully Mechanized Coal Mining Face under the Hard Roof Mining Pressure
The conditions of the hard roof in my country vary greatly, ranging from a few meters to tens of meters or even hundreds of meters in thickness. The coal reserves under the hard roof account for about one-third of the total reserves. At present, nearly 40% of fully mechanized mining faces that belon...
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| Auteurs principaux: | , , , |
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| Format: | article |
| Langue: | EN |
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Hindawi Limited
2021
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| Accès en ligne: | https://doaj.org/article/0f97d771c4aa488d86695b7f27f4a35b |
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