| 浅埋综放采场合理工艺参数的数值试验研究 |
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| 引用本文： | 孔宪法,季春旭,杨永康,康天合,柴肇云.浅埋综放采场合理工艺参数的数值试验研究[J].煤矿开采,2011,16(3). |
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| 作者姓名： | 孔宪法 季春旭 杨永康 康天合 柴肇云 |
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| 作者单位： | 1. 太原理工大学采矿工艺研究所,山西太原,030024
2. 中国建筑材料工业地质勘查中心山西总队,山西太原,030031 |
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| 基金项目： | 国家自然科学基金资助项目(50474057,50974093,51004075) |
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| 摘 要： | 针对公乌素地区16号煤层具体条件,采用正交实验方法,运用FLAC2D数值试验系统,研究浅埋深综放采场工艺参数,得出最优化的工作面开采工艺参数。研究结果表明:开采工艺参数对顶煤破坏性影响程度主次排序为:控顶距>采高>放煤步距>支架支护阻力>支架合力作用点位置。确定的合理工艺参数为:底层采高2.75m,控顶距4.75m,支架工作阻力5500kN/架,放煤步距0.8m,支架合力作用点距煤壁2.0m。
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| 关 键 词： | 浅埋深厚煤层 综放开采 FLAC2D 工艺参数 |
Numerical Simulation of Rational Full-mechanized Caving Mining Parameters in Shallow Buried Coal-seam |
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| KONG Xian-fa,JI Chun-xu,YANG Yong-kang,KANG Tian-he,CHAI Zhao-yun.Numerical Simulation of Rational Full-mechanized Caving Mining Parameters in Shallow Buried Coal-seam[J].Coal Mining Technology,2011,16(3). |
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| Authors: | KONG Xian-fa JI Chun-xu YANG Yong-kang KANG Tian-he CHAI Zhao-yun |
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| Affiliation: | KONG Xian-fa1,JI Chun-xu2,YANG Yong-kang1,KANG Tian-he1,CHAI Zhao-yun1 (1.Mining Technique Research Institute,Taiyuan University of Science & Technology,Taiyuan 030024,China,2.Shanxi Troops,Geological Exploration Centre of China Architecture Material Industry,Taiyuan 030031 China) |
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| Abstract: | According to actual condition of 16th coal-seam in Gongwusu area,orthogonal test method was applied to obtaining optimized technique parameters of full-mechanized caving mining shallow buried coal-seam with FLAC2D.Results showed that influence degree sequence of technique parameters on top-coal damage might was: roof controlling distance>mining height>caving pace>supporting resistance of powered support>action point place of composition forces of powered support.Rational technique parameters might be confir... |
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| Keywords: | shallow buried coal-seam full-mechanized caving mining FLAC2D technique parameter |
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