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深井软岩巷道矿压观测实例分析与研究.rar

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    深井 巷道 观测 实例 分析 研究
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    第 I 页目 录一般部分1 矿井概况与地质特征 .........................................................................................................11.1 井田概况 ...................................................................................................................11.1.1 位置与交通 ....................................................................................................11.1.2 地形地貌及水系 ............................................................................................11.1.3 气候与气象 ....................................................................................................11.1.4 地震烈度 ........................................................................................................21.1.5 矿区经济概况 ................................................................................................21.1.6 水源及电源 ....................................................................................................21.2 井田地质特征 ...........................................................................................................21.2.1 地层 ................................................................................................................21.2.2 构造 ................................................................................................................41.2.3 水文地质特征 ................................................................................................41.3 煤层特征 ...................................................................................................................51.3.1 煤层特征 ........................................................................................................51.3.2 煤质 ................................................................................................................61.3.3 煤层开采技术条件 .......................................................................................72 井田境界和储量 .................................................................................................................92.1 井田境界 ...................................................................................................................92.1.1 井田范围 ........................................................................................................92.1.2 开采界限 ........................................................................................................92.1.3 井田尺寸 ........................................................................................................92.2 井田地质勘探 .........................................................................................................102.3 矿井地质储量 .........................................................................................................102.3.1 储量计算基础 ..............................................................................................102.3.2 矿井地质储量计算 ......................................................................................102.3.3 矿井工业储量计算 ......................................................................................112.4 矿井可采储量 ........................................................................................................122.4.1 井田边界保护煤柱 ......................................................................................122.4.2 工业广场保护煤柱 ......................................................................................122.4.3 断层保护煤柱 ..............................................................................................142.4.4 风井保护煤柱 ..............................................................................................142.4.5 大巷保护煤柱 ..............................................................................................142.4.6 矿井可采储量 ..............................................................................................153 矿井工作制度、设计生产能力及服务年限 ...................................................................163.1 矿井工作制度 .........................................................................................................163.2 矿井设计生产能力及服务年限 .............................................................................16第 II 页3.2.1 确定依据 ......................................................................................................163.2.2 矿井设计生产能力 ......................................................................................163.2.3 矿井服务年限 ..............................................................................................163.2.4 井型校核 ......................................................................................................174 井田开拓 ...........................................................................................................................184.1 井田开拓的基本问题 .............................................................................................184.1.1 确定井筒形式、数目、位置 ......................................................................184.1.2 阶段划分和开采水平的确定 ......................................................................204.1.3 井田划分 ......................................................................................................204.1.4 主要开拓巷道 ..............................................................................................204.1.5 开拓方案比较 ..............................................................................................214.2 矿井基本巷道 .........................................................................................................294.2.1 井筒 ..............................................................................................................294.2.2 井底车场及硐室 ..........................................................................................334.2.3 大巷 ..............................................................................................................344.2.4 巷道支护 ......................................................................................................395 准备方式— 带区巷道布置 ...............................................................................................405.1 煤层地质特征 .........................................................................................................405.1.1 带区位置 ......................................................................................................405.1.2 带区煤层特征 ..............................................................................................405.1.3 煤层顶底板岩石构造情况 ..........................................................................405.1.4 水文地质 ......................................................................................................405.1.5 地质构造 ......................................................................................................405.1.6 地表情况 ......................................................................................................405.2 带区巷道布置及生产系统 .....................................................................................405.2.1 带区准备方式的确定 ..................................................................................405.2.2 带区巷道布置 ..............................................................................................415.2.3 带区生产系统 ..............................................................................................415.2.4 带区生产能力及采出率 ..............................................................................445.3 带区车场选型计算 .................................................................................................455.3.1 带区车场的形式 ..........................................................................................455.3.2 带区车场的调车方式 ..................................................................................455.3.3 带区主要硐室布置 ......................................................................................456 采煤方法 ...........................................................................................................................476.1 采煤工艺方式 .........................................................................................................476.1.1 带区煤层特征及地质条件 ..........................................................................476.1.2 确定采煤工艺方式 ......................................................................................476.1.3 回采工作面参数 ..........................................................................................486.1.4 回采工作面采煤机、刮板输送机选型 ......................................................48第 III 页6.1.5 采煤工作面支护方式 ..................................................................................506.1.6 端头支护及超前支护方式 ..........................................................................536.1.7 各工艺过程注意事项 ..................................................................................546.1.8 采煤工作面正规循环作业 ..........................................................................556.2 13101 首采工作面回采巷道布置 ..........................................................................586.2.1 回采巷道布置方式 ......................................................................................586.2.2 回采巷道参数 ..............................................................................................587 井下运输 ...........................................................................................................................647.1 概述 .........................................................................................................................647.1.1 井下运输设计的原始条件和数据 ..............................................................647.1.2 运输距离和货载量 ......................................................................................647.1.3 矿井运输系统 ..............................................................................................647.2 带区运输设备选择 .................................................................................................657.2.1 设备选型原则 ..............................................................................................657.2.2 带区设备的选型 ..........................................................................................657.2.3 带区运输能力验算 ......................................................................................677.3 大巷运输设备选择 .................................................................................................688 矿井提升 ...........................................................................................................................708.1 矿井提升概述 .........................................................................................................708.2 主井提升 .................................................................................................................708.2.1 箕斗 ..............................................................................................................708.2.2 提升机 ..........................................................................................................708.2.3 钢丝绳技术特征 ..........................................................................................718.2.4 提升能力验算 ..............................................................................................718.3 副井提升 .................................................................................................................729 矿井通风及安全 ...............................................................................................................749.1 矿井通风系统的选择 .............................................................................................749.1.1 矿井通风系统的基本要求 ..........................................................................749.1.2 矿井通风系统的确定 ..................................................................................749.1.3 带区通风系统的确定 ..................................................................................759.2 矿井风量计算 .........................................................................................................769.2.1 通风容易时期和通风困难时期采煤方案的确定 ......................................769.2.2 各用风地点的用风量和矿井总用风量 ......................................................809.2.3 风量分配及风速验算 ..................................................................................839.2.4 通风构筑物 ..................................................................................................849.3 矿井通风阻力计算 .................................................................................................849.3.1 计算原则 ......................................................................................................859.3.2 矿井最大阻力路线 ......................................................................................859.3.3 矿井通风阻力计算 ......................................................................................85第 IV 页9.4 选择矿井通风设备 .................................................................................................899.4.1 选择主要通风机的基本原则 ......................................................................899.4.2 通风机风压的确定 ......................................................................................909.4.3 主要通风机工况点 ......................................................................................919.4.4 主要通风机的选择及风机性能曲线 .........................................................929.4.5 电动机选型 ..................................................................................................949.6 安全灾害的预防措施 .............................................................................................949.6.1 预防瓦斯和煤尘爆炸的措施 ......................................................................949.6.2 预防井下火灾的措施 ..................................................................................959.6.3 防水措施 ......................................................................................................9510 矿井基本技术经济指标 .................................................................................................96参考文献 ...............................................................................................................................97专题部分 深井软岩巷道矿压观测实例分析与研究 .......................................................981 前言 ...................................................................................................................................981.1 工程地质概况 .........................................................................................................981.1.1 巷道断面及形状 ..........................................................................................981.1.2 巷道层位 ......................................................................................................981.1.3 巷道顶底板岩性 ..........................................................................................991.1.4 巷道掘进区段地质构造 ..............................................................................991.1.5 瓦斯地质 ......................................................................................................991.1.6 水文地质 ......................................................................................................991.1.7 地温 ............................................................................................................1001.2 巷道支护形式 .....................................................................................
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