Failure mechanism recognition and optimum support design of roadway groups in soft and fractured surrounding rock - case study: Paner coal mine
文献类型：期刊论文
| 作者 | Lu, Xingli1; Liu, Quansheng1; Su, Peifang2 |
| 刊名 | DISASTER ADVANCES
 |
| 出版日期 | 2013 |
| 卷号 | 6页码:406-414 |
| 关键词 | Roadway Groups Deformation Characteristics Deformation Mechanism Optimum Support Measures |
| ISSN号 | 0974-262X |
| 英文摘要 | As increasing number of coal mines turn to deep mining stage, stability control of surrounding rock in deep roadway groups has become a major technical problem. Based on the roadway groups in shaft station of second east mining area, Paner coal mine, the characteristics of deformation split of surrounding rock, failure of supporting structure, and asymmetric deformation mechanism of roadway are analyzed. It is concluded that the soft and fractured surrounding rock, lower supporting intensity, especially the almost orthogonal between strike direction of roadway and direction of maximum horizontal primary stress are the main causes of roadway deformation characterized mainly by wall-to-wall convergence and floor heave. Besides, the asymmetric deformation mechanism of roadway can be explained by the flexural deformation and high-stress squeezing of surrounding rock starting at the position of right sidewall and floor corner of roadway due to the smaller lateral confinement from inclined rock mass structure. Based on the above analysis, a combined multiple-step control countermeasure for roadway groups with soft and fractured surrounding rock are put forward. Moreover, through numerical analysis and field monitor measuring, the control countermeasure is analyzed and verified which indicates that it-is rational and efficient for the stability control of surrounding rock in deep mining engineering. |
| WOS研究方向 | Geology ; Meteorology & Atmospheric Sciences ; Water Resources |
| 语种 | 英语 |
| WOS记录号 | WOS:000317246200053 |
| 出版者 | DISASTER ADVANCES |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/3434]  |
| 专题 | 岩土力学所知识全产出_期刊论文 国家重点实验室知识产出_期刊论文 |
| 作者单位 | 1.Chinese Acad Sci, State Key Lab Geomech & Geotech Engn, Inst Rock & Soil Mech ; 2.Changjiang Inst Survey Planning Design & Res, Res Ctr Natl Dam Safety Engn Technol |
| 推荐引用方式 GB/T 7714 | Lu, Xingli,Liu, Quansheng,Su, Peifang. Failure mechanism recognition and optimum support design of roadway groups in soft and fractured surrounding rock - case study: Paner coal mine[J]. DISASTER ADVANCES,2013,6:406-414. |
| APA | Lu, Xingli,Liu, Quansheng,&Su, Peifang.(2013).Failure mechanism recognition and optimum support design of roadway groups in soft and fractured surrounding rock - case study: Paner coal mine.DISASTER ADVANCES,6,406-414. |
| MLA | Lu, Xingli,et al."Failure mechanism recognition and optimum support design of roadway groups in soft and fractured surrounding rock - case study: Paner coal mine".DISASTER ADVANCES 6(2013):406-414. |
入库方式： OAI收割
来源：武汉岩土力学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。