| 大倾角煤层覆岩断裂带高度影响因素的数值分析 |
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| 引用本文： | 伍永平,王红伟,解盘石,曾佑富.大倾角煤层覆岩断裂带高度影响因素的数值分析[J].煤炭工程,2011(3). |
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| 作者姓名： | 伍永平 王红伟 解盘石 曾佑富 |
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| 作者单位： | 1. 西部矿井开采及灾害防治教育部重点实验室,陕西西安,710054;西安科技大学能源学院,陕西西安,710054
2. 西安科技大学能源学院,陕西西安,710054 |
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| 摘 要： | 基于对大倾角煤层开采特点的分析,认为在工作面长度一定的条件下,煤层倾角、顶板岩层强度、开采高度是大倾角煤层开采顶板断裂带高度的主要影响因素。对上述影响因素进行正交试验,对模拟结果进行单因素极差分析与多元线性回归分析,得出各因素对断裂带高度的影响程度,依次为:岩层倾角>顶板岩层强度>采煤高度,得出大倾角煤层开采顶板断裂带高度的回归公式。最后用回归公式与相似模拟实验数据进行对比验证,表明数值模拟结果的正确性。
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| 关 键 词： | 断裂带高度 正交试验 单因素极差分析 多元线性回归分析 数值分析 |
Numerical Analysis on Influence Factors of Fractured Zone Height in Overburden Strata Above High Inclined Seam |
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| WU Yong-ping,WANG Hong-wei,XIE Pan-shi,ZENG You-fu.Numerical Analysis on Influence Factors of Fractured Zone Height in Overburden Strata Above High Inclined Seam[J].Coal Engineering,2011(3). |
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| Authors: | WU Yong-ping WANG Hong-wei XIE Pan-shi ZENG You-fu |
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| Affiliation: | WU Yong-ping1,2,WANG Hong-wei1,XIE Pan-shi1,ZENG You-fu2(1.Ministry of Education's Key Lab of Mining and Disaster Prevention and Control in West China Mine,Xi'an 710054,China,2.School of Energy,Xi'an University of Science and Technology,Xi'an,710054,China) |
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| Abstract: | Base on the analysis on mining features of high inclined seam,under the certain length condition of the coal mining face,the seam inclination,roof strata strength and mining height would be the main influence factors of the roof fractured zone height in the high inclined seam mining.The orthogonal experiments were conducted on the above factors.The single factor pole difference analysis and the multi element linear regression analysis were conducted on the simulation results.The influence degree of each fac... |
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| Keywords: | fractured zone height orthogonal experiment single factor pole different analysis multi element linear regression analysis numerical analysis |
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