| 破碎围岩环境下基于声发射的大采高工作面矿压显现研究 |
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| 引用本文： | 胥海东,范公勤,王金平.破碎围岩环境下基于声发射的大采高工作面矿压显现研究[J].西北煤炭,2009,7(3). |
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| 作者姓名： | 胥海东 范公勤 王金平 |
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| 作者单位： | 西安科技大学能源学院;神华宁煤集团羊场湾煤矿; |
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| 摘 要： | 以神华宁煤集团羊场湾煤矿110206工作面为例,利用相似材料模拟研究的方法,对大采高工作面矿压显现进行了研究。同时在相似材料模拟试验中,采用声发射系统辅助观测了来压时声发射特征;并与现场矿压观测结果进行了对比分析,从而得出了破碎围岩环境下大采高矿压显现的一些特征。
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| 关 键 词： | 大采高工作面 相似模拟 破碎围岩 矿压显现规律 |
Study on the Ground Pressure Behavior of High-seam Fully Mechanized Face Based on Sound Emission in the Breakage Rock Environment |
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| Xu Haidong,Fan Gongqin,Wang Jinping.Study on the Ground Pressure Behavior of High-seam Fully Mechanized Face Based on Sound Emission in the Breakage Rock Environment[J].Northwest Coal,2009,7(3). |
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| Authors: | Xu Haidong Fan Gongqin Wang Jinping |
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| Affiliation: | 1.School of Energy of Xi'an University of Science and Technology;Shanxi;Xi'an 710054;China;2.Yangchangwan Coal Mine;Shenhua Ningmei Group;Ningxia;Yinchuan;751410;China |
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| Abstract: | The paper takes the coal mining face 110206 of Yangchangwan coal mine as an example,using the method of similar material simulation study to analyze the ground pressure of the high-seam face.At the seam time during the similar material simulation study,sound emission system is used to help to observe the sound emission characteristics at the time of ground pressure emergence,and a comparative analysis with the observation result of the site ground pressure is carried out to find the features of ground press... |
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| Keywords: | high-seam coal mining face similar simulation breakage rock ground pressure behavior rules |
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