| 基于防冲特厚煤层分层开采工作面巷道支护研究 |
| |
| 引用本文： | 李守锋,齐俊德. 基于防冲特厚煤层分层开采工作面巷道支护研究[J]. 煤, 2009, 18(6): 13-15 |
| |
| 作者姓名： | 李守锋 齐俊德 |
| |
| 作者单位： | 华亭煤业集团有限责任公司,甘肃,华亭,744100;华亭煤业集团有限责任公司,甘肃,华亭,744100 |
| |
| 摘 要： | 华亭煤矿存在冲击地压危险倾向。250103工作面为首分层工作面,该工作面的巷道支护就尤为重要。文章通过在试验点调查,包括围岩强度、围岩结构、地应力及锚固性能测试等,进行地质力学评估和围岩分类,为巷道支护设计提供可靠的参数。巷道支护设计采用数值计算和经验法相结合进行,根据围岩参数和已有实测数据确定出比较合理的设计。
|
| 关 键 词： | 特厚煤层 冲击地压 巷道支护 分层开采 |
Study of Working Surface Tunnel Supports and Protections based on Prevention Rockburst Anout Slicing of Ectra-thick Coal Seam |
| |
| LI Shou-feng,QI Jun-de. Study of Working Surface Tunnel Supports and Protections based on Prevention Rockburst Anout Slicing of Ectra-thick Coal Seam[J]. Coal, 2009, 18(6): 13-15 |
| |
| Authors: | LI Shou-feng QI Jun-de |
| |
| Affiliation: | Huating Coal Mining Group Co;.Ltd.;Huating 744100;China |
| |
| Abstract: | Huating coal mine exists rockburst dangerous tendency.It is importent of the supports and protections in the tunnel in the first slicing of 250103.Through the investigation,including rock strength,rock structure,stress and performance testing,such as anchor,the rock geomechanics assessment and classification,support design for the roadway to provide a reliable parameter.Design of roadway support using numerical calculation and experience combined,and has been under the rock parameters and the measured data ... |
| |
| Keywords: | extra-thick coal seam rockburst tunnel supports and protections slicing |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
