Short Wall Box Style Mining Method of Strip Coal Pillar under Town

被引：3
|
作者：
Guo, Zhongping [1 ]
Li, Jiazhuo [1 ]
Li, Changhua [2 ]
Ge, Haibin [2 ]
机构：
[1] Shandong Univ Sci & Technol, Coll Resources & Environm Engn, Qingdao 266510, Shandong, Peoples R China
[2] Hua Yuan Mine Jining Coal Mine Grp, Shandong 272200, Peoples R China
来源：
FRONTIERS OF MANUFACTURING AND DESIGN SCIENCE II, PTS 1-6 | 2012年 / 121-126卷
关键词：
Strip Coal Pillar; Mechanical Model; Stability; Short Wall Box Style Mining Method;
D O I：
10.4028/www.scientific.net/AMM.121-126.4146
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
To recover strip coal pillar and reduce cost after strip mining, the short wall box style mining method was presented. Strata stability was analyzed based on support plate theory, mechanical model of the second strata movement was created, and safety factor was deduced. The ground movement and deformation were predicted, with probability integration method. The application demonstrates that this mining method can protect buildings on earth's surface, improve the recovery ratio of coal and reduce cost. This mining method has a good economic advantage and environmental benefit.
引用
收藏
页码：4146 / +
页数：2
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