Position characteristics of horizontal-directional long boreholes in overlying strata and drainage mechanism of pressure-relief gas in longwall mining
The pressure-relief gas drainage in longwall mining goaf is an important part of the simultaneous extraction of coal and gas in the green mining technology system. The horizontal-directional long boreholes arranged in overlying strata for pressure-relief gas drainage have been widely used in recent...
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| Главные авторы: | , , , , , |
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| Формат: | Artigo |
| Язык: | Chinês |
| Опубликовано: |
Editorial Office of Journal of China Coal Society
2023-10-01
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| Серии: | Meitan xuebao |
| Предметы: | |
| Online-ссылка: | http://www.mtxb.com.cn/article/doi/10.13225/j.cnki.jccs.2022.1379 |
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