Study on Reasonable Filling Width of Gob-side Entry Retaining and Its engineering Application

被引：2
|
作者：
Wang Xiang Qian [1 ]
Meng XiangRui [1 ]
Gao Zhao Ning [1 ]
机构：
[1] Anhui Univ Sci & Technol, Sch Energy & Safety, Huainan 232001, Peoples R China
来源：
ENVIRONMENTAL PROTECTION AND RESOURCES EXPLOITATION, PTS 1-3 | 2013年 / 807-809卷
关键词：
packing width; numerical simulation; gob side entry retaining; mining influence;
D O I：
10.4028/www.scientific.net/AMR.807-809.2288
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Based upon the engineering background of IV315 coal mining face of Mengzhuang Coal Mine, the numerical simulation software UDEC is used to analyze rational packing width under the conditions of different filling widths on the driving roadway. The rational coal pillar size is initially decided as 2.0 meters through simulating and analyzing. On this basis, the influence of second mining on the retaining roadway was analyzed by numerical simulation. Combined with the field measurement, the support parameters and the 2.0 meters packing width are proven to be rational, which provides a reference for the coal mining faces with similar conditions.
引用
收藏
页码：2288 / 2293
页数：6
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