| 特厚煤层综放采场直接顶关键层及支架适应性 |
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| 引用本文： | 刘锦荣. 特厚煤层综放采场直接顶关键层及支架适应性[J]. 煤炭科学技术, 2009, 37(6) |
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| 作者姓名： | 刘锦荣 |
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| 作者单位： | 大同煤矿集团有限责任公司,山西,大同,037003 |
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| 摘 要： | 为了探索大同矿区石炭系特厚煤层综放开采工作面支架-围岩相互作用关系,采用现场实测与理论分析的方法,在分析塔山矿石炭系特厚煤层综放工作面顶煤、顶板运移规律及矿压显现特征的基础上,将塔山矿石炭系特厚煤层综放开采采场直接顶结构分为2类,指出"直接顶关键层"的存在将进一步增大顶板管理的难度.对8102和8103综放面所用ZF10000/25/38及ZF13000/25/38支架的适应性进行了分析,结果表明,ZF13000较ZF10000支架能够适应的最大煤层采放厚度由17 m提高至20 m,也能防止端面顶煤冒落,ZF13000支架具有更强的适应性.
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| 关 键 词： | 特厚煤层 综放开采 直接顶关键层 支架适应性 |
Key Layer of Direct Roof and Support Suitability of Fully Mechanized Top Coal Caving Mining Face in Ultra Thick Seam |
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| LIU Jin-rong. Key Layer of Direct Roof and Support Suitability of Fully Mechanized Top Coal Caving Mining Face in Ultra Thick Seam[J]. Coal Science and Technology, 2009, 37(6) |
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| Authors: | LIU Jin-rong |
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| Affiliation: | LIU Jin-rong(Datong Coal Mine Group Corporation Ltd.,Datong 037003,China) |
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| Abstract: | In order to discover the mutual function relationship between the powered support and the surrounding rocks for the fully mechanized top coal caving mining face in the ultra thick seam of Carboniferous System,the site measurement and theoretical analysis combined method was applied.Base on the analysis on the top coal and roof migration law and the mine strata pressure behavior features of the fully mechanized top coal caving mining face in the ultra thick seam of Carboniferous System in Tashan Mine,the dir... |
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| Keywords: | ultra thick seam fully mechanized top coal caving mining key layer of direct roof support suitability |
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