| 多煤层开采覆岩移动及地表变形规律的相似模拟实验研究 |
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| 引用本文： | 张志祥,张永波,赵志怀,张利民.多煤层开采覆岩移动及地表变形规律的相似模拟实验研究[J].水文地质工程地质,2011,38(4):130-134. |
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| 作者姓名： | 张志祥 张永波 赵志怀 张利民 |
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| 作者单位： | 太原理工大学水利科学与工程学院;山西省交通设计研究院; |
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| 摘 要： | 以离石—军渡高速公路下伏康家沟煤矿采矿地质条件为原型,采用相似材料模拟实验方法,对多煤层开采引起的覆岩移动及地表变形规律进行了研究。相似模拟实验结果表明:多煤层开采条件下,随着煤层累计采厚的增加,采空区"三带"覆岩下沉量和采空区地表沉降量、地表倾斜变形、地表水平位移及地表曲率变形都呈增大趋势,采空区上覆岩体更加破碎,地表变形更加强烈。研究成果可为高速公路下伏多煤层采空区的治理设计提供依据。
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| 关 键 词： | 多煤层开采 覆岩 相似模拟 采空区 变形 |
Similar simulation of overlying rock movement and surface deformation behavior with multi-coal seam mining |
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| ZHANG Zhi-xiang,ZHANG Yong-bo,ZHAO Zhi-huai,ZHANG Li-min.Similar simulation of overlying rock movement and surface deformation behavior with multi-coal seam mining[J].Hydrogeology and Engineering Geology,2011,38(4):130-134. |
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| Authors: | ZHANG Zhi-xiang ZHANG Yong-bo ZHAO Zhi-huai ZHANG Li-min |
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| Affiliation: | 1.College of Water Resources Science and Engineering of TUT,Taiyuan 030024,China; 2.Traffic Design Institute of Shanxi Province,Taiyuan 030012,China |
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| Abstract: | Taking geological conditions of Kangjiagou coal mine under Lishi—Jundu freeway as a prototype,similar material simulation was carried out for examining the behavior of overlying rock movement and surface deformation with multi-coal seam mining.The results show that under the condition of multi-coal seam mining,with the increase of total thickness of coal seam,the overlying rock subsidence of three zones of gob and surface subsidence,surface lean deformation,surface level movement,surface curvatu... |
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