Research on Roof Structure and Determination of Working Resistance of Shallow Buried Single Key Stratum Based on Grid Drillhole Field Method
AbstractThe roof structure of the stope is the core of revealing the weighting mechanism and determining the working resistance of support. The Shenfu Dongsheng coal field of China has abundant reserves of shallow coal seam. The phenomena of strong ground pressure and step subsidence...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
GeoScienceWorld
2022-03-01
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| Series: | Lithosphere |
| Online Access: | https://pubs.geoscienceworld.org/lithosphere/article/2021/Special%204/4328618/612780/Research-on-Roof-Structure-and-Determination-of |