| 综采工作面围岩破碎机理及控制技术 |
| |
| 引用本文： | 牛正杰.综采工作面围岩破碎机理及控制技术[J].山东煤炭科技,2022,40(1):42-43,46. |
| |
| 作者姓名： | 牛正杰 |
| |
| 作者单位： | 晋能控股煤业集团晋城公司,山西晋城048000 |
| |
| 摘 要： | 四明山煤矿9103工作面回采期间顶板破碎、煤壁片帮,严重制约着工作面安全高效回采,从煤层赋存、围岩应力、支护强度等几方面分析了围岩破碎机理,对原回采工艺进行合理优化,提出了"深孔卸压+铺设聚氨酯纤维网+超前管棚支护"联合支护措施,工作面回采效率提高至6.7 m/d,有效控制了围岩变形、破碎.
|
| 关 键 词： | 综采 破碎 工艺 支护 |
Crushing Mechanism and Control Technology of Surrounding Rock in Fully Mechanized Mining Face |
| |
| Niu Zhengjie.Crushing Mechanism and Control Technology of Surrounding Rock in Fully Mechanized Mining Face[J].Shandong Coal Science and Technology,2022,40(1):42-43,46. |
| |
| Authors: | Niu Zhengjie |
| |
| Affiliation: | (Jincheng Company,Jinneng Holding Coal Industry Group,Shanxi Jincheng 048000) |
| |
| Abstract: | |
| |
| Keywords: | fully mechanized mining crushing technology support |
| 本文献已被 维普 万方数据 等数据库收录！ |
|
