| 极近距离采空区下特厚煤层综放工作面矿压管理与研究 |
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| 引用本文： | 杨国枢. 极近距离采空区下特厚煤层综放工作面矿压管理与研究[J]. 中国矿业, 2019, 28(2) |
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| 作者姓名： | 杨国枢 |
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| 作者单位： | 中国矿业大学（北京）化学与环境工程学院 |
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| 摘 要： | 针对中煤塔山煤矿极近距离采空区下特厚煤层综放工作面顺槽掘进和回采期间的强动压现象,通过数据监测、理论分析、数值模拟、现场验证,采用减小区段煤柱宽度、增大支架工作阻力、优化超前支护方式、水力致裂顶板等方法,弱化了围岩的强动压作用,有效控制顶板和巷道的变形,保证了矿井的安全开采。
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| 关 键 词： | 极近距离 特厚煤层 小煤柱 矿压管理 |
| 收稿时间： | 2018-11-13 |
| 修稿时间： | 2018-12-21 |
The mining pressure management and research of fully-mechanized top coal caving under ultra-close goaf in thick seams |
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| Yang Guoshu. The mining pressure management and research of fully-mechanized top coal caving under ultra-close goaf in thick seams[J]. CHINA MINING MAGAZINE, 2019, 28(2) |
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| Authors: | Yang Guoshu |
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| Affiliation: | School of Chemical and Environmental Engineering,China University of Mining and Technology, Beijing 10083, China |
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| Abstract: | The strong mining pressure behavior was observed in thick seam fully-mechanized caving face under ultra-close goaf in Tashan coal mine. In the work, the methods of reducing the width of the coal pillars, increasing the working resistance of the support, optimizing the advanced support method, and fracturing the roof with hydraulic power were combined used to weaken the strong mining pressure of surrounding rock. The engineering practices shows that the combined methods can controll the deformation of surrounding rocks effectively and ensure safety mining. |
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| Keywords: | ultra-close goaf thick seams small coal pillar mining pressure management |
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