Control Techniques for Gob-Side Entry Driving in an Extra-Thick Coal Seam with the Influence of Upper Residual Coal Pillar: A Case Study
In multi-seam mining, the residual coal pillar (RCP) in the upper gob has an important influence on the layout of the roadway in the lower coal seam. At present, few papers have studied the characteristics of the surrounding rock of gob-side entry driving (GED) with different coal pillar widths unde...
Үндсэн зохиолчид: | , , |
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Формат: | Өгүүллэг |
Хэл сонгох: | English |
Хэвлэсэн: |
MDPI AG
2022-05-01
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Цуврал: | Energies |
Нөхцлүүд: | |
Онлайн хандалт: | https://www.mdpi.com/1996-1073/15/10/3620 |