| 煤矿开采引起覆岩移动变形规律的数值模拟研究 |
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| 引用本文： | 刘瑾,张观瑞. 煤矿开采引起覆岩移动变形规律的数值模拟研究[J]. 华北科技学院学报, 2007, 4(2): 22-25 |
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| 作者姓名： | 刘瑾 张观瑞 |
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| 作者单位： | 山西省环境地质监测中心,山西太原,030024;太原市市政工程设计研究院,山西太原,030002 |
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| 摘 要： | 以霍州辛置煤矿2204工作面为背景,通过数值模拟开采沉陷过程,分析了采动覆岩移动的规律;讨论了松散层厚度、采深采厚比对覆岩移动及变形的影响.研究表明,在采厚相同的情况下,冒落带的下沉量基本相同;在采深、采厚相同的情况下,随着松散层厚度的减小,弯沉带、裂隙带的沉降量也逐渐减小;在采厚和松散层厚度相同的情况下,随着采深的增加,弯沉带、裂隙带的沉降量逐渐减小,采动影响的范围却有所扩大.
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| 关 键 词： | 采动覆岩 移动 变形 数值模拟 |
| 文章编号： | 1672-7169（2007）02-0022-04 |
| 收稿时间： | 2007-04-17 |
| 修稿时间： | 2007-04-17 |
Numerical Simulation Research on Moving and Strain of Over Rock Mined |
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| LIU Jin,ZHANG Guan-rui. Numerical Simulation Research on Moving and Strain of Over Rock Mined[J]. Journal of North China Institute of Science and Technology, 2007, 4(2): 22-25 |
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| Authors: | LIU Jin ZHANG Guan-rui |
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| Abstract: | The paper take Huozhou Xinzhi colliery 2204 work surface as background.Using numerical ways to simulatethe mined process,Analysis the regular of rock's move and distortion when mined,The factors of The incompact stratum depth,the ration of mined depth are considered and their effects on the erath's surface move and distortion are also discussed in the paper. |
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| Keywords: | Rock mined Move Distortion, Numerical simulation |
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