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| 突出煤层煤平巷落煤后下帮卸压范围分析 | |
| 引用本文： | 周松元,徐东方,杨赞. 突出煤层煤平巷落煤后下帮卸压范围分析[J]. 煤炭科学技术, 2010, 38(4) |
| 作者姓名： | 周松元 徐东方 杨赞 |
| 作者单位： | 1. 湖南省瓦斯治理和利用工程研究中心,湖南,长沙,410004 2. 湖南煤业集团黄牛岭矿业有限公司,湖南,郴州,424507 |
| 摘 要： | 为了保证突出煤层掘采工作的安全,用钻屑瓦斯解吸指标法确定了煤平巷落煤后下帮的瓦斯卸压影响范围,通过测定K1值,Δh2值等可以判定黄牛岭矿井围岩应力三带分布范围的特点,现场考察分析了煤厚2 m、倾角30~40°的突出煤层煤平巷落煤后煤下帮的K1和Δh2测值分布规律。结果表明:在考察区域对应的瓦斯地质和采矿环境下,突出煤层煤平巷落煤后下帮卸压影响范围为7~9 m,卸压范围为0~6 m。 |
| 关 键 词： | 煤平巷落煤 煤与瓦斯突出 卸压影响范围 卸压范围 |
Analysis on Pressure Released Scope of Low Side Wall After Coal Blasting Operation of Seam Gateway in Outburst Seam |
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| ZHOU Song-yuan,XU Dong-fang,YANG Zan. Analysis on Pressure Released Scope of Low Side Wall After Coal Blasting Operation of Seam Gateway in Outburst Seam[J]. Coal Science and Technology, 2010, 38(4) | |
| Authors: | ZHOU Song-yuan XU Dong-fang YANG Zan |
| Affiliation: | 1.Hunan Provincial Research Center of Gas Control and Utilization Engineering/a>;Changsha 410004/a>;China/a>;2.Huangniuling Coal Mining Company Limited/a>;Hunan Coal Mining Group/a>;Chenzhou 424507/a>;China |
| Abstract: | |
| Keywords: | coal blasting of seam gateway coal and gas outburst pressure released influence scope pressure released scope |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |