Advanced deep hole pre - splitting blasting of hard roof type and effect evaluation analysis
In order to verify the effect of different blasting methods on the development of rock fissures and roof caving, a study on deep-hole presplitting blasting technology for hard roof was carried out in I010203 working face of Kuanggou coal mine, theoretical analysis, numerical simulation, field test a...
| Main Authors: | , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Department of Coal Science and Technology
2023-03-01
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| Series: | Meitan kexue jishu |
| Subjects: | |
| Online Access: | http://www.mtkxjs.com.cn/article/doi/10.13199/j.cnki.cst.2021-0097 |