| 张集煤矿11418(W)工作面开采地面沉陷演化规律 |
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| 引用本文： | 王永倩,宣以琼.张集煤矿11418(W)工作面开采地面沉陷演化规律[J].合肥学院学报(自然科学版),2014,24(3):68-72. |
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| 作者姓名： | 王永倩 宣以琼 |
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| 作者单位： | 安徽建筑大学土木工程学院 合肥230022 |
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| 摘 要： | 依据张集煤矿11418(W)工作面地表移动变形观测站实测数据,运用概率积分法和拟合曲线法求取下沉系数、水平移动、拐点偏移距等地表移动变形参数,获得张集煤矿8煤层开采地质采矿条件下的下沉量大、速度快、稳定快且具有突变性等地表移动变形演化规律及新特征,为地表沉陷范围和影响程度的确定提供可靠依据.
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| 关 键 词： | 地面沉陷 概率积分法 拟合曲线 下沉速度 |
ZhangJi Coal Mine Subsidence Regularity of The 11418 (w) Mining Face |
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| WANG Yong-qian,XUAN Yi-qiong.ZhangJi Coal Mine Subsidence Regularity of The 11418 (w) Mining Face[J].Journal of Hefei University :Natural Sciences,2014,24(3):68-72. |
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| Authors: | WANG Yong-qian XUAN Yi-qiong |
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| Institution: | (School of Civil Engineering, Anhui Jianzhu University, Hefei 230022 ,China) |
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| Abstract: | The first coalface surface observation, analysis and research on the establishment of a set of movement and deformation, observation station of surface deformation data collection, integration system probability, obtain surface displacement parameters by curve fitting method, deepening the understanding of deformation regularity and the characteristics of coal mine surface movement on a set,and provide a reliable basis for surface subsidence observation repeated mining in ZhangJi coal mine. |
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| Keywords: | land subsidence probability-integral method fitting curve settling velocity |
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