HIGHLIGHTS
- who: . and colleagues from the Henan University of Engineering, China have published the paper: Research on behavior of underground pressure in shallow coal seam with three-face goaf working face, in the Journal: (JOURNAL)
- what: Feng et_al studied the stress distribution law of the floor in the cutting pillar mining over the goaf, and concluded that the influence of mining stress is the main reason for the instability of the residual coal pillar in the goaf and the irregular collapse of the overburden (Feng et_al, 2014; Wang, 2019). Fixed displacements were applied to the front . . .
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