| 双巷掘进两巷围岩变形及煤柱留设尺寸研究 |
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| 引用本文： | 杨健彬,徐乃忠. 双巷掘进两巷围岩变形及煤柱留设尺寸研究[J]. 煤炭技术, 2007, 26(11): 123-125 |
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| 作者姓名： | 杨健彬 徐乃忠 |
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| 作者单位： | 淮南矿业集团公司,顾桥煤矿,安徽,淮南,232000;安徽理工大学,资源开发与管理工程系,安徽,淮南,232001 |
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| 摘 要： | 通过数值计算,分析了双巷掘进时尾巷不同宽度及煤柱不同宽度时的双巷围岩变形、应力分布,得出尾巷的合理宽度及双巷掘进时煤柱尺寸的合理留设,为具有类似条件的巷道掘进提高参考。
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| 关 键 词： | 双巷 煤柱尺寸 围岩变形 数值计算 |
| 文章编号： | 1008-8725（2007）11-0123-03 |
| 修稿时间： | 2007-08-16 |
To Research Distortion of Surrounding Rock of Two- roadway and Coal Pillar Size in Grubbing of Two - roadway |
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| YANG Jian-bin,XU Nai-zhong. To Research Distortion of Surrounding Rock of Two- roadway and Coal Pillar Size in Grubbing of Two - roadway[J]. Coal Technology, 2007, 26(11): 123-125 |
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| Authors: | YANG Jian-bin XU Nai-zhong |
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| Affiliation: | 1.Guqiao Mining of Huainan Mining Group Company, Huainan 232000, China ;2. Depatpment of Resource Exploration and Management Engineering of Anhui University of Science and Technology, Huainan 232001, China |
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| Abstract: | Through numerical simulation, this paper analyzed the distortion of surrounding rock and the stress distribution of two - roadway in the grubbing of two - roadway on the basis of tail - roadway and coal pillar dif- ferent size, obtained the rational size of tail - roadway and coal pillar, and offered the reference to the similar condition of two - roadway grubbing. |
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| Keywords: | two - roadway coal pillar size distortion of surrounding rock numerical simulation |
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