封面
声明
致谢
中文摘要
英文摘要
目录
变量注释表
1 绪论
1.1研究背景及意义(Purpose and Significance of Topic Selection)
1.2国内外研究现状(Research at Domestic and Overseas)
1.3存在问题(Exiting Problems)
1.4主要研究内容和思路(Main Research Contents and Approachs)
2 贺西煤矿瓦斯赋存规律
2.1煤层瓦斯压力(Gas Pressure of Coal)
2.2煤层瓦斯含量(Gas Content of Coal)
2.3 3313工作面基本概况(Basic Profile of 3313 Workface)
2.4 小结(Conclusions)
3 采动应力、位移演化数值模拟分析
3.1保护层开采数值模拟分析(Numerical Analysis about Mining Protective Layer)
3.2保护层开采模拟结果分析(Analysis on Numerical Simulations Result in Mining Protective Layer)
3.3 小结(Conclusions)
4 渗透性实验的设计与方案
4.1力学路径的选择(Choose Mechanics Paths)
4.2型煤试样制取(Preparation of the Bripuette Coal)
4.3渗透率测定方法(Test Method of Permeability)
4.4实验设备(Experimental Equipment)
4.5实验方案(Laboratory Progrom)
4.6本章小结(Brief Summary)
5 卸载过程中煤体渗透性演化特征
5.1煤体渗透率主要影响因素(Main Influencing Factors about Permeability of Coal Body)
5.2煤体在固定轴向位移卸围压过程中渗透性的变化(Changes of Coal Permeability in Process of Fixed Axial Displacement and Unloading Confining Pressure)
5.3煤体在固定差应力卸围压过程中煤体渗透性的变化(Changes of Coal Permeability in Process of Fixed Differential Stress and Unloading Confining Pressure)
5.4不同卸载路径下渗透性的特征(Features of Permeability Under Different Uninstall Paths)
5.5本章小结(Brief Summary)
6 下伏煤层渗透率分布特征及应用
6.1下伏煤层渗透率分布特征(Permeability Distribution features of Underlying Coal Seam)
6.2下伏煤层工作面瓦斯抽采半径的优化(Gas Drainage Drilling Optimization of Underlying Coal Seam)
6.3被保护层工作面瓦斯抽采钻孔布置(Gas Drainage Drilling Arrangement of Protected Coal Seam)
6.4下伏煤层工作面瓦斯抽采效果考察(Study abouot Gas Drainage Effect of underlying coal seam)
6.5本章小结(Brief Summary)
7 结论与研究展望
7.1全文结论(Conclusions of the Paper)
7.2研究展望(Research Prospects)
参考文献
作者简历
学位论文数据集