| 放顶煤开采块度对顶煤放出率的影响 |
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| 引用本文： | 王继仁.放顶煤开采块度对顶煤放出率的影响[J].煤炭技术,2007,26(4):46-48. |
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| 作者姓名： | 王继仁 |
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| 作者单位： | 鹤岗矿业集团公司,益新煤矿,黑龙江,鹤岗,154107 |
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| 摘 要： | 放顶煤开采煤炭回收率的高低是关系到能否推广这种采煤方法的关键技术。文章从上覆岩层运动的角度出发,阐述了顶煤的变形规律,进而运用散体相似模拟试验研究了不同顶煤和直接顶块度对顶煤放出率的影响。
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| 关 键 词： | 放顶煤开采 块度 放出率 煤炭回收率 变形规律 |
| 文章编号： | 1008-8725（2007）04-0046-02 |
| 修稿时间： | 2007-01-13 |
Influence of Coal Caving Agglomeration on Coal Caving Ratio |
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| WANG Ji-ren.Influence of Coal Caving Agglomeration on Coal Caving Ratio[J].Coal Technology,2007,26(4):46-48. |
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| Authors: | WANG Ji-ren |
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| Affiliation: | Yixin Coal Mine, Hegang Mining Industry Group Comp., Hegang 154107, China |
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| Abstract: | Coal caving ratio is a key factor for coal caving selection. This paper described roof coal distortion rules, and massed loose substance simulation test with caving agglomeration of different coal roof and different immediate roof influenced on coal caving ratio based on strata movement. |
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| Keywords: | coal caving mining agglomeration coal caving ratio coal recovery ratio distortion rule |
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