| 近距离煤层下行开采矿压显现规律相似模拟研究 |
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| 引用本文： | 邓雪杰,殷伟,张强,安百富. 近距离煤层下行开采矿压显现规律相似模拟研究[J]. 煤矿开采, 2011, 16(3) |
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| 作者姓名： | 邓雪杰 殷伟 张强 安百富 |
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| 作者单位： | 中国矿业大学矿业工程学院,江苏徐州221116;煤炭资源与安全开采国家重点实验室江苏徐州221008 |
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| 基金项目： | 国家自然科学基金重点项目(50834004); 中国矿业大学科技资金资助项目(2007B003) |
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| 摘 要： | 为了研究近距离煤层下行开采的矿压显现规律,采用相似模拟的研究方法,以木瓜煤矿西二盘区煤层赋存特征为原型,以实验室测得的煤层及围岩物理力学参数为基础,在实验室模拟下行开采近距离煤层,得出了近距离煤层开采上覆岩层移动特征和矿压显现规律,主要表现为下煤层开采过程中工作面压力大,来压周期性不明显及垮落角大于上层煤等特点。
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| 关 键 词： | 近距离煤层 下行开采 相似模拟 矿压显现 |
Analogous Simulation of Underground Pressure Behavior of Downward Mining Near Coal-seams |
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| DENG Xue-jie,YIN Wei,ZHANG Qiang,AN Bai-fu. Analogous Simulation of Underground Pressure Behavior of Downward Mining Near Coal-seams[J]. Coal Mining Technology, 2011, 16(3) |
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| Authors: | DENG Xue-jie YIN Wei ZHANG Qiang AN Bai-fu |
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| Affiliation: | DENG Xue-jie1,2,YIN Wei1,ZHANG Qiang1,AN Bai-fu1,2 (1.Mining Engineering School,China University of Mining & Technology,Xuzhou 221116,China,2.State Key Laboratory of Coal Resource & Safe Mining,Xuzhou 221008,China) |
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| Abstract: | In order to research underground pressure behavior of downward mining near coal-seams,taking west 2nd panel coal-seam occurrence of Mugua Colliery as an example and applying analogous simulation,movement characteristic of overlying strata and underground pressure behavior rule was obtained on the basis of physical and mechanical parameters of coal and rock samples from the colliery.In mining lower coal-seam,underground pressure was larger,periodical underground pressure was not obvious and caving angle was ... |
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| Keywords: | near coal-seams downward mining analogous simulation underground pressure behavior |
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