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急倾斜煤层开采地表移动规律数值模拟研究

Qiang ZHU, Ming-zhong GAO,Chao SUN,Wen-tao JI,Fei REN

Journal of Anhui University of Science and Technology(Natural Science)（2012）

Cited 2|Views6
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Abstract
为了研究急倾斜煤层开采下地表沉陷的移动规律,运用求解非线性大变形问题有限差分法( FLAC3D)对急倾斜煤层开采下进行数值模拟,重点分析了岩体移动引起的地表变形.结果表明:急倾斜煤层开采下地表在走向呈对称性下沉盆地,而在倾向上呈非对称性的兜瓢形下沉盆地,地表的变形主要集中在煤层顶板方向一侧,以及最大下沉点和水平移动向煤层的上山方向偏移.
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Key words
steep seam,surface subsidence,numerical simulation
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