| 大倾角较薄厚煤层轻放工作面顶板运移规律研究 |
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| 引用本文： | 李建民. 大倾角较薄厚煤层轻放工作面顶板运移规律研究[J]. 煤矿开采, 2001, 0(3): 45-48 |
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| 作者姓名： | 李建民 |
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| 作者单位： | 开滦集团有限责任公司, |
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| 摘 要： | 针对开滦东欢坨矿大倾角较薄厚煤层轻放开采的现状 ,采用深基点观测方法 ,分析了顶煤和顶板的变形、移动、破碎和垮落的规律 ,为合理确定放煤高度、放煤步距等重要工艺参数提供科学依据。
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| 关 键 词： | 大倾角 较薄厚煤层 轻放开采 顶板运移 |
| 文章编号： | 1006-6225(2001)03-0045-04 |
| 修稿时间： | 2001-05-19 |
The laws of roof movement in longwall top-coal caving face with light hydraulic support in thinner thickness and greater angle seam |
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| Abstract: | Aimed at the current situation of longwall top-coal caving mining with light hydraulic support in thinner thick-seam with great dip angle in Donghuansuo Mine of Kailuan Group, adopted the method of deep basepiont observation, the laws of deformation, movement, fracturing and caving of top-coal and roof are analyzed in this paper. The study provides some theoretical basis for determination of important technical parameters such as drawing height and drawing interval. |
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