The determination methodology for optimal stemming length of deep-hole blasting for hard roof cutting in coal mines
Deep borehole blasting of coal mine roadway roof is significant for roof cutting-based gob-side entry retaining and hard roof pre-cracking. It not only needs to ensure roof cutting effect, but also ensures that no punching occurs and the roadway surrounding rocks are stable after blasting. Therefore...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Office of Journal of China Coal Society
2025-05-01
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| Series: | Meitan xuebao |
| Subjects: | |
| Online Access: | http://www.mtxb.com.cn/article/doi/10.13225/j.cnki.jccs.2024.0704 |
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