Research of height of water flowing fractured zone of overburden strata in fully-mechanized top-coal caving
In order to provide theoretical basis of roof water disaster prevention of No.3 coal seam in a working face after fully-mechanized top-coal caving, empirical formulas in Regulations of building, water, railway and leaving coal pillar and mining pressed coal in main shaft and drift, numerical simulat...
Main Authors: | , , , , |
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Format: | Article |
Language: | zho |
Published: |
Editorial Department of Industry and Mine Automation
2015-01-01
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Series: | Gong-kuang zidonghua |
Subjects: | |
Online Access: | http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2015.01.003 |