Research on the "two-zone" heights of soft stratum working face with slicing full-mechanized caving mining
Water and sand inrush is one of the principal factors that restrict safe and effective production of mining under water body.The threat to soft strata mines with extremely thick coal seam is especially more serious.Caving zone and fissure zone(joint name "two-zone") heights are the basic p...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Emergency Management Press
2019-12-01
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| Series: | 矿业科学学报 |
| Subjects: | |
| Online Access: | http://kykxxb.cumtb.edu.cn/article/id/253 |