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Study on the technology of enhancing permeability by deep hole presplitting blasting in Sanyuan coal mine
To reduce gas disasters in low permeability and high gas coal seams and improve gas predrainage efficiency, conventional deep hole presplitting blasting permeability increasing technology was refined and perfected. The damage degree of coal and rock blasting was quantitatively evaluated by using the...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Nature Publishing Group UK
2021
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8514481/ https://www.ncbi.nlm.nih.gov/pubmed/34645861 http://dx.doi.org/10.1038/s41598-021-98922-9 |