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| 煤巷瓦斯预排深度数值模拟分析 | |
| 引用本文： | 石必明,张国宾,李占强.煤巷瓦斯预排深度数值模拟分析[J].安徽理工大学学报(自然科学版),2000,20(1):25-29. |
| 作者姓名： | 石必明 张国宾 李占强 |
| 作者单位： | 1. 淮南工业学院资源开发与管理工程系,安徽,淮南,232001 2. 河北省交通厅项目办公室,河北,石家庄,050000 3. 河北省建筑设计研究院,河北,石家庄,05000 |
| 摘 要： | 利用有限元法对非均质煤层煤巷周围煤体瓦斯运移进行数值模拟分析 ,得出煤巷预排瓦斯带深度不仅与煤的变质程度有关 ,而且与煤层原始瓦斯压力、煤壁暴露时间和煤层赋存地质条件等因素有密切关系 ,最后针对淮南 C1 3煤层的实际情况给出煤巷瓦斯预排深度的计算公式 |
| 关 键 词： | 煤巷 排瓦斯带深度 数值分析 |
| 修稿时间： | 1999-07-17 |
Numeric analysis of the gas emission lengths of coalwall in the coal drift |
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| SHI Bi-ming,ZHANG Guo-bin,LI Zhan-qiang.Numeric analysis of the gas emission lengths of coalwall in the coal drift[J].Journal of Anhui University of Science and Technology:Natural Science,2000,20(1):25-29. | |
| Authors: | SHI Bi-ming ZHANG Guo-bin LI Zhan-qiang |
| Institution: | 1.Dept. of Resources Expoitation and Managemenr Engineering; 2.Communication Department of Hebei Province; 3.Hebei Institute of Civil Engineering Design |
| Abstract: | Through numeric modeling analysis with the method of finite element on the gas flow in non-uniform coal seams of coal drift, it is found that the gas emission limited lengths relates to coal metamorphism, the time of exposure, original gas pressure in the coal seams, occurrence of coal seams, etc. Finally, the formula of the lengths according to the time of exposure and original gas pressure about the Huainan C 13 coal seam is presented. |
| Keywords: | coal drift gas emission lengths of coalwall numeric analyses |
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