Study on support optimization of coal roadway with soft and broken surrounding rock
With the increase of mining depth, the geological conditions tend to be complex. The problems of high mine pressure and soft and broken surrounding rock are more serious, and the difficulty of support is significantly increased. In this paper, the coal roadway with soft and broken surrounding rock i...
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| Format: | Article |
| Language: | English |
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EDP Sciences
2020-01-01
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| Series: | E3S Web of Conferences |
| Online Access: | https://www.e3s-conferences.org/articles/e3sconf/pdf/2020/25/e3sconf_caes2020_03037.pdf |