| 深部巷道受跨采影响的稳定性分析及加固 |
| |
| 引用本文： | 李惠,乔卫国,张安康,陈士海.深部巷道受跨采影响的稳定性分析及加固[J].煤矿开采,2011,16(3). |
| |
| 作者姓名： | 李惠 乔卫国 张安康 陈士海 |
| |
| 作者单位： | 山东科技大学土木建筑学院,山东青岛,266510 |
| |
| 基金项目： | 山东省“泰山学者”建设工程专项经费资助项目; 土木工程防灾减灾山东省重点实验室资助项目 |
| |
| 摘 要： | 徐州矿务集团旗山煤矿13311工作面回采期间,需跨采(纵跨)-850m东西翼轨道联络大巷。通过FLAC分析得出,该巷道受跨采扰动影响后,硐壁的相对位移明显增加,塑性区也明显扩大,巷道顶、底部破坏尤其严重。采用锚杆、锚索与注浆联合加固技术加固后,顶板下沉量控制在25mm以下,两帮移近量120mm以下,底鼓量300mm以下,满足了现场使用要求。
|
| 关 键 词： | 深部巷道 跨采 FLAC 联合支护 现场测试 |
Stability Analysis of Deep Roadway Influenced by Cross-mining and Its Reinforcement |
| |
| LI Hui,QIAO Wei-guo,ZHANG An-kang,CHEN Shi-hai.Stability Analysis of Deep Roadway Influenced by Cross-mining and Its Reinforcement[J].Coal Mining Technology,2011,16(3). |
| |
| Authors: | LI Hui QIAO Wei-guo ZHANG An-kang CHEN Shi-hai |
| |
| Affiliation: | LI Hui,QIAO Wei-guo,ZHANG An-kang,CHEN Shi-hai (Civil & Architecture School,Shandong University of Science & Technology,Qingdao 266510,China) |
| |
| Abstract: | During 13311 mining face mining of Qishan Colliery,Xuzhou Mining Group,crossing-mining above connection roadway at-850m level was inevitable.FLAC simulation results showed that relative displacement and plastic zone of the connection roadway increased obviously,top and bottom of roadway destroyed seriously after crossing-mining.Applying combined supporting technology of anchored bolt,anchored rope and grouting,roof subsidence was controlled below 25mm,convergence of two-side below 120mm and floor heave belo... |
| |
| Keywords: | deep roadway crossing mining FLAC combined supporting on-the-spot test |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
