Research on the roof structure evolution and control technology of gob-side entry retaining with cutting the roof in steeply dipping seam
The application of gob-side entry retaining(GER) in steeply dipping seam with hard roof has always been a difficult problem.Based on the characteristics of gangue slide accumulation in gob with steeply dipping seam, aim at make full use of the self bearing capacity of the gangue, the technology of t...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Emergency Management Press
2020-04-01
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Series: | 矿业科学学报 |
Subjects: | |
Online Access: | http://kykxxb.cumtb.edu.cn/article/id/277 |