| 开采覆岩运动特征及动力响应的数值模拟研究 |
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| 引用本文： | 赵亚军,张继高.开采覆岩运动特征及动力响应的数值模拟研究[J].中国矿业,2012,21(8):101-103,115. |
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| 作者姓名： | 赵亚军 张继高 |
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| 作者单位： | 河北工程大学 |
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| 摘 要： | 以地质单元勘查研究报告为背景,应用计算机对某煤矿厚岩浆岩下煤层开采时覆岩移动规律及其动力响应进行了数值模拟分析,得到:①由于岩浆岩这种特殊岩层的存在,使采空区上覆岩层的运动规律发生变异;②岩浆岩存在时,岩体内的应力、变形及位移的变化趋势,揭示了工作面开拓过程中岩体内应力的重新分布过程、工作面支承压力和支架阻力的变异性。
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| 关 键 词： | 厚岩浆岩 数值模拟 支承压力 离散单元法 覆岩移动 |
Mining overburden movement characteristics and dynamic response numerical simulation study |
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| ZHAO Ya-jun,ZHANG Ji-gao.Mining overburden movement characteristics and dynamic response numerical simulation study[J].China Mining Magazine,2012,21(8):101-103,115. |
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| Authors: | ZHAO Ya-jun ZHANG Ji-gao |
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| Affiliation: | (Hebei University of Engineering,Handan 056038,China) |
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| Abstract: | Taking the geological unit investigation report for background,Application of computer in a coal seam mining under thick magmatic rocks when the law of overlying strata movement and the dynamic response numerical simulation analysis is made.Get:(1) the magmatic rock this special strata exist,the gob overburden movement law of variation.(2) the presence of magmatic rock,rock stress,deformation and displacement of the change trend of the working face is revealed,develop in the rock and the redistribution of the stress process,working face support pressure and support resistance variability. |
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| Keywords: | thick magmatic stratum numerical simulation bearing pressure discrete element method overlying strata movement |
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