| 采动条件下围岩破坏及瓦斯流动规律研究 |
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| 引用本文： | 王 辉. 采动条件下围岩破坏及瓦斯流动规律研究[J]. 中州煤炭, 2019, 0(11): 131-134. DOI: 10.19389/j.cnki.1003-0506.2019.11.030 |
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| 作者姓名： | 王 辉 |
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| 作者单位： | （河南永锦能源有限公司 云盖山煤矿一矿，河南 禹州 461670） |
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| 摘 要： | 为了研究采动条件下围岩破坏及瓦斯流动规律，分析了煤层开挖和瓦斯流动卸载模拟分析，采用数值模拟软件，研究了采动条件下上覆岩层垂直变形破坏规律、工作面推进方向上煤层破坏规律以及煤层孔隙率和渗透率变化规律。研究为巷道支护和瓦斯抽采提供了理论支持。
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| 关 键 词： | 围岩破坏 瓦斯流动 数值模拟 煤层破坏 孔隙率 渗透率 |
Study on law of surrounding rock failure and gas flow under mining conditions |
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| Wang Hui. Study on law of surrounding rock failure and gas flow under mining conditions[J]. Zhongzhou Coal, 2019, 0(11): 131-134. DOI: 10.19389/j.cnki.1003-0506.2019.11.030 |
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| Authors: | Wang Hui |
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| Affiliation: | （Yungaishan No.1 Coal Mine，Henan Yongjin Energy Co.，Ltd.，Yuzhou 461670，China） |
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| Abstract: | In order to study the law of surrounding rock failure and gas flow under mining conditions，the simulation analysis of coal seam excavation and gas flow unloading is analyzed.By using numerical simulation software，the law of vertical deformation and failure of overlying strata under mining conditions，the law of coal seam failure in the direction of working face advancement，and the law of change of coal seam porosity and permeability are studied.The research provides theoretical support for roadway support and gas drainage. |
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| Keywords: | surrounding rock failure gas flow numerical simulation coal seam failure porosity permeability |
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