Experimental study on seepage characteristics of broken coal and rock samples in caving zone under cyclic loading and unloading
When the coal-seams are multi-layered, the stress and permeability of the caving zone are disturbed again during the following coal seam mining. Repeated unloading and compaction cause caved coal and rock to break further in the caving zone, which in turn affects the migration of gas in goaf. This p...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Emergency Management Press
2020-08-01
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| Series: | 矿业科学学报 |
| Subjects: | |
| Online Access: | http://kykxxb.cumtb.edu.cn/article/id/301 |