Evolution law of surrounding rock bearing circle and support technology of deep roadway
Taking Guotun Coal Mine -670 auxiliary horizontal track roadway as the engineering background, the stress change of roadway surrounding rock is analyzed through the mechanical model of bearing circle, and the stress change of roadway surrounding rock under different driving distances, lateral pressu...
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| Hlavní autoři: | , , , , |
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| Médium: | Artigo |
| Jazyk: | Chinês |
| Vydáno: |
Editorial Office of Safety in Coal Mines
2023-03-01
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| Edice: | Meikuang Anquan |
| Témata: | |
| On-line přístup: | https://www.mkaqzz.com/cn/article/id/8333 |
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