| 综采工作面通过下部旧巷回采底板及顶板管理方法 |
| |
| 引用本文： | 张秀吉,李鑫.综采工作面通过下部旧巷回采底板及顶板管理方法[J].煤矿机电,2012(5). |
| |
| 作者姓名： | 张秀吉 李鑫 |
| |
| 作者单位： | 铁煤集团晓南煤矿,辽宁调兵山,112700 |
| |
| 摘 要： | 以铁煤集团晓南矿W3712-2综采工作面过下部旧巷回采实践为依据,介绍了综采工作面过下部旧巷回采方法,讨论了综采工作面通过下部旧巷回采底板技术管理及顶板管理问题。提出了对下部旧巷充填、注浆,在液压支架下方旧巷上方铺设工字钢等方法,有效地解决了支架下陷及顶板安全管理问题。
|
| 关 键 词： | 综采工作面 下部旧巷 顶底板管理 |
Technology Management of Roof and Floor Plate at Fully Mechanized Coal Mining Face over Old Tunnel |
| |
| Abstract: | Based on under-part old tunnel stoping practice of W3712-2 fully mechanized coal mining face at Xiaonan coal mine,the stoping methods of under-part old tunnel are introduced.The management problems of roof and floor plate are discussed.The methods of filling,slip casting,and laying flange beam are proposed,which effectively solve the problems of supporting sink and roof safety management. |
| |
| Keywords: | fully mechanized coal mining face under-part old tunnel roof and floor plate management |
| 本文献已被 万方数据 等数据库收录！ |
|
