Numerical Simulation and Analysis of Influencing Factors of Coal Wall Failure in Fully Mechanized Mining Face with Large Mining Height
Aiming at the problems that the coal wall rib spalling in the working face affects the economic benefits of fully mechanized mining technology with large mining height, the 3-1 coal seam occurrence conditions of Hongqinghe Coal Mine is taken as the research background. The orthogonal experimental sc...
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Format: | Article |
Language: | zho |
Published: |
Editorial Office of Safety in Coal Mines
2020-04-01
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Series: | Meikuang Anquan |
Subjects: | |
Online Access: | https://www.mkaqzz.com/cn/article/id/6784 |