| 中厚煤层复合顶板小煤柱沿空掘巷支护实践 |
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| 引用本文： | 孙全发. 中厚煤层复合顶板小煤柱沿空掘巷支护实践[J]. 煤炭技术, 2008, 27(3): 61-63 |
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| 作者姓名： | 孙全发 |
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| 作者单位： | 鸡西矿业集团公司城山煤矿,黑龙江,鸡西,158170 |
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| 摘 要： | 在中厚煤层复合顶板条件下,合理确定小煤柱尺寸及巷道支护参数,可提高煤炭回收率,保证巷道正常掘进和在服务期间内的使用。
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| 关 键 词： | 复合顶板 沿空掘巷 小煤柱 支护设计 |
| 文章编号： | 1008-8725(2008)03-0061-03 |
| 修稿时间： | 2007-12-06 |
Support Practice of Small Pillars Driving Roadways Along Goaf with Medium-thick Seam Composite Roof |
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| SUN Quan-fa. Support Practice of Small Pillars Driving Roadways Along Goaf with Medium-thick Seam Composite Roof[J]. Coal Technology, 2008, 27(3): 61-63 |
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| Authors: | SUN Quan-fa |
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| Abstract: | Under the condlition of medium-thick seam composite roof,the small pillars size and roadways support parameters are reasonably determined.The recovery rate is raised.The normal roadways driving and service period using are ensurced. |
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| Keywords: | composite roof driving roadways along goaf small pillar support design |
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