The safe mining of Xin'an Coal Mine was challenging because of several problems,
including the soft roadway seams, fracture development, fracturing and deformation of the …

Coal roadway fault zones typically rely on multiple re-excavations and repeated
reinforcements for control, posing challenges in achieving precise control of the initial …

Underground rock dynamic disasters are becoming more severe due to the increasing depth
of human operations underground. Underground temperature and pressure conditions …

Roof accidents seriously affect the safe and efficient mining of the working faces. Therefore,
it is necessary to assess and identify the possible and influencing factors on the occurrence …

Abstract The Coal Mine Roof Rating (CMRR) is an essential input parameter for roof support
design. The current manual calculation process brings evident subjectivity in selecting rock …

A reliable empirical prediction of the height of fracturing (HoF) is significant for mining impact
assessment and mine sustainability. However, the prediction accuracy is often limited by the …

The diffusion characteristics of fine-grained gangue slurry are significant for gangue
consumption and ecological environment protection, especially in underground mines …

With the characteristic of less roadway excavation and high resource recovery, gob‐side
entry retaining (GER) technology is a safe and efficient green mining technology. Many …

The existence of multiple families of joints within the rock mass and the degradation of its
properties create an additional risk of the collapse of peripheral rock wedges within a tunnel …

Hydraulic fracturing is a rock structure transformation method that significantly weakens the
mechanical properties of the hard roof strata. Considering the poor hydraulic fracturing effect …