HIGHLIGHTS
- who: Shan Ning from the State Key LaboratoryChina University have published the paper: Influence of stress distribution in coal seams of non-uniform extremely thick key stratum and disaster-causing mechanisms, in the Journal: Scientific Reports Scientific Reports
- what: To simplify the calculation, only the area on one side of the central axis of the pillar was considered, and it is simplified to the model shown in Fig 5. The top boundary of the model was controlled by stress boundary conditions, the upper load was calculated at a buried depth of 500 m, and a . . .
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