Study on the size effect and support technology of belt roadway deformation under excavation along coal seam roof and fully mechanized caving mining along coal seam floor

Study on the size effect and support technology of belt roadway deformation under excavation along coal seam roof and fully mechanized caving mining along coal seam floor Journal of Mining and Safety Engineering . 2026, (2): 263 -279 . DOI: 10.13545/j.cnki.jmse.2025.0333