声明
致谢
变量与缩写注释表
1绪论
1.1研究背景与意义(Research background and significance)
1.2国内外研究现状(Research status)
1.3研究内容与技术路线(Research contents and methods)
1.4主要创新点(Main innovation points)
2上向分层长壁逐巷胶结充填开采方法与技术关键
2.1特厚煤层上向分层长壁逐巷胶结充填开采方法(The upward slicing longwall-roadway cemented backfill method for mining extra-thick coal seam)
2.2充填开采联络巷合理间距分析(Reasonable distance between backfill mining crosscuts)
2.3充填挡墙侧压力的时间相关性分析(Time-dependent analysis of backfill barricade lateral pressure)
2.4本章小结(Chapter summary)
3胶结充填材料流变与力学性能研究与预测
3.1胶结充填材料组成与微观结构(Composition and microstructure of cemented backfill)
3.2胶结充填材料流变性能(Rheological properties of cemented backfill)
3.3胶结充填材料力学性能(Mechanical properties of cemented backfill)
3.4基于改进的BP神经网络的材料性能预测(Properties prediction of cemented backfill using improved BP neural network)
3.5本章小结(Chapter summary)
4上向分层长壁逐巷胶结充填顶板移动控制机理
4.1巷式充填开采岩层控制基本原理(Ground control fundamental of roadway backfill mining)
4.2 各分层开采过程中顶板移动规律力学分析( Mechanical analysis of roof movement during mining different slices)
4.3顶板移动规律计算实例分析(The calculation example of roof movement characteristics)
4.4充填材料性能要求分析与配比优化选择(Performance requirement and recipe selection of cemented backfill)
4.5本章小结(Chapter summary)
5上向分层长壁逐巷胶结充填岩层控制物理模拟
5.1物理模拟模型建立(Physical simulation model)
5.2覆岩移动破坏规律研究(Movement and fracture behavior of overlying strata)
5.3围岩应力演化规律研究(Stress evolution of roof and floor)
5.4本章小结(Chapter summary)
6上向分层长壁逐巷胶结充填采场矿压数值模拟
6.1数值模型与模拟方案(Modeling and planning of numerical simulation)
6.2充填开采联络巷围岩变形及应力分布规律(Surrounding rock deformation and stress distribution of backfill mining crosscut)
6.3不同分层开采围岩变形及应力演化规律(Surrounding rock deformation and stress distribution of mining different slices)
6.4本章小结(Chapter summary)
7工程应用
7.1试验开采区域采矿地质条件(Mining and geological conditions of the pilot district)
7.2生产系统设计(Production system)
7.3应用效果实测分析(Field measurement and analysis of application effects)
7.4本章小结(Chapter summary)
8结论与展望
8.1主要结论(Main conclusions)
8.2展望(Prospects)
参考文献
作者简历
学位论文数据集