Calculation of direct roof subsidence of retracement channel and analysis of its influencing factors
The direct roof subsidence of retracement channel is of utmost importanie to the withdrawal of equipment in the final mining stage.Based on the basic roof fracture position, a mechanical model of the direct roof deflection of the withdrawal channel after penetration was established.The expression of...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
Emergency Management Press
2021-08-01
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Series: | 矿业科学学报 |
Subjects: | |
Online Access: | http://kykxxb.cumtb.edu.cn/cn/article/doi/10.19606/j.cnki.jmst.2021.04.005 |