急倾斜三软煤层沿空巷道支护技术分析-analysis of roadway support technology along goaf in steeply inclined three soft coal seam.docxVIP
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急倾斜三软煤层沿空巷道支护技术分析-analysis of roadway support technology along goaf in steeply inclined three soft coal seam
目录1绪论 ...................................................................................................................................... 11.1 问题的提出 ..................................................................................................................... 11.2 国内外研究现状 ............................................................................................................. 21.3 沿空巷道支护技术的研究 .............................................................................................. 71.4 论文研究的技术路线、内容及方法 ............................................................................. 82 巷道围岩破坏特征及围岩松动圈测试 .............................................................................. 102.1 煤岩物理力学特征测定 ................................................................................................ 102.2 巷道围岩变形破坏特征 ............................................................................................... 102.3 围岩松动圈测试 ........................................................................................................... 102.4 本章小结 ....................................................................................................................... 143 3964 回采巷道初步支护方案 .............................................................................................. 153.1 3964 巷道现有支护及变形破坏特征分析 ................................................................... 153.2 数值计算分析 ............................................................................................................... 173.3 3964 平巷试验段不同支护工况稳定性分析 ............................................................... 193.4 3964 平巷试验段初步支护方案 ................................................................................... 273.5 可加长注浆锚索具体参数及施工方法 ....................................................................... 293.6 本章小结 ........................................................................................................................ 304 数值模拟试验研究 .........................................
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