Study on the fracture regularity of extra thick and hard roof in “short-face” mining and its blasting weakening technology
Based on the 211113 “short face” of Xinji No. 2 Mine of China Coal Group, this study investigated the weakening regularity of blasting vibration and rock bursting of roof through FLAC3D numerical simulation on the basis of the hard roof fracture regularity through theoretical analysis. The results s...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
JVE International
2019-06-01
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| Series: | Journal of Vibroengineering |
| Subjects: | |
| Online Access: | https://www.jvejournals.com/article/20622 |