Impact mechanism of clamped coal pillar in sublevel fully mechanized top coal caving in the near vertical extra thick coal seam

Impact mechanism of clamped coal pillar in sublevel fully mechanized top coal caving in the near vertical extra thick coal seam Journal of Mining and Safety Engineering . 2023, (1): 60 -68 . DOI: 10.13545/j.cnki.jmse.2022.0124