Waterproof pillar size design in steep coal seam
According to different combinations of mining methods and water body positions in deep coal seam, three basic structural patterns were created and main basis of setting up reasonable waterproof coal pillar size for each pattern were proposed. The mechanics model of the stability of waterproof pillar...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Emergency Management Press
2017-08-01
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| Series: | 矿业科学学报 |
| Subjects: | |
| Online Access: | http://kykxxb.cumtb.edu.cn/article/id/78 |