Application of Grouting Reinforcement Technology with Superfine Cement Paste in Sihe Coal Mine
Aiming at the problem that it is easy to occur rib spalling and roof caving when the large-height mining face in the fourth east plate of Sihe Coal Mine crosses the fault, superfine cement grouting material is selected, the automatic control system of grouting pressure stepless adjusting grouting q...
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| Autor principal: | |
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| Formato: | Artigo |
| Idioma: | Chinês |
| Publicado em: |
Editorial Office of Safety in Coal Mines
2020-06-01
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| coleção: | Meikuang Anquan |
| Assuntos: | |
| Acesso em linha: | https://www.mkaqzz.com/cn/article/id/6863 |
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