Mechanism and control of roof fall and support failure incidents occuring near longwall recovery roadways
Pre-driven longwall recovery roadways are commonly adopted for rapid extraction in the high-production mines of Shendong coalfield in China. A special roadway, the adapting roadway, is utilized to adapt the longwall roof and floor to match the recovery roadway. However, severe accidents such as roof...
| Main Authors: | , , |
|---|---|
| Format: | Journal Article |
| Published: |
Southern African Institute of Mining and Metallurgy
2017
|
| Online Access: | http://hdl.handle.net/20.500.11937/61192 |