Research on surrounding rock control technology in two hard fully mechanized coal mining

被引：0
|
作者：
Hong Chunxia [1 ]
Zhang Runan [2 ]
Wei Li [1 ,3 ]
机构：
[1] Dalian Univ, Dalian 116622, Liaoning, Peoples R China
[2] Shanxi Fugu Energy Co Ltd, Sandaogou Colliery, Shanxi, Peoples R China
[3] Dalian Univ, Civil & Architectural Engn, Dalian 116622, Peoples R China
来源：
EXPLORATION AND PROCESSING OF MINERAL RESOURCES | 2014年 / 868卷
基金：
中国国家自然科学基金;
关键词：
Large mining height in two hard; Exposure lateral ceiling; Presplit blasting; Stress transfer;
D O I：
10.4028/www.scientific.net/AMR.868.343
中图分类号：
TE [石油、天然气工业];
学科分类号：
0820 ;
摘要：
5 The coal 8210 big mining height of the Datong mine Jin hua gong face in the process of mining airport coal pillar fried state a, floor deformation intense, serious kick drum, eventually leading to rock failure. In the severe cases, easily induced by shock pressure and other disasters,these have serious impact on the efficient production of face security in the large mining height. by the airport side of roadway roof pressure relief, combined with roadway bolting reinforcement technology effectively control the deformation of surrounding rock of roadway, Test results show that the security measures taken can meet the well production safety requirements.
引用
收藏
页码：343 / +
页数：2
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