Fracture Zonation for Overlying Strata in Underground Mining of Shallow Coal Seam

被引：2
|
作者：
Fan, Gangwei [1 ]
Zhang, Dongsheng [1 ]
Zhou, Lei [1 ]
机构：
[1] China Univ Min & Technol, Sch Mines, Xuzhou 221116, Peoples R China
来源：
ADVANCES IN INDUSTRIAL AND CIVIL ENGINEERING, PTS 1-4 | 2012年 / 594-597卷
关键词：
underground mining; shallow coal seam; overburden movement; fracture; CHINA; NORTHWEST; ILLINOIS; AQUIFERS;
D O I：
10.4028/www.scientific.net/AMR.594-597.2607
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Overburden fractures are the passageways for water resource loss in underground mining. A new zonation for overburden movement was present through the analysis on hydraulic aperture and permeability according to numerical calculations. Fractured zone was divided into three parts, the upper, the middle and the lower and their heights were educed. In the bedding plane, end fracture development zone and middle fracture compaction zone were defined and their range was calculated out. The achievements can be used for water resource conservation and gas prevention or drainage, etc.
引用
收藏
页码：2607 / 2611
页数：5
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