Study on classification and support of surrounding rock of mining roadway in extremely close coal seams
In order to explore the stability category and support mode of surrounding rock of mining roadway in extremely close coal seams, the stability category of surrounding rock is determined by comprehensive evaluation with mathematical method.Firstly, the mathematical model is established by using the m...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Emergency Management Press
2020-06-01
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Series: | 矿业科学学报 |
Subjects: | |
Online Access: | http://kykxxb.cumtb.edu.cn/article/id/296 |