Research on the Roof Advanced Breaking Position and Influences of Large Mining Height Working Face in Shallow Coal Seam
The large mining height (LMH) in shallow coal seam has been widely applied in the Shenfu coalfield, China. The dynamic load is obvious, and the rib spalling is serious when the LMH working face concerns roof weighting. The advanced breaking position of the roof affects the strength of the ground pre...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2020-04-01
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Series: | Energies |
Subjects: | |
Online Access: | https://www.mdpi.com/1996-1073/13/7/1685 |