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浅析大倾角煤巷锚杆支护技术的原理及应用.rar

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    浅析 倾角 煤巷锚杆 支护 技术 原理 应用
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    第 I 页目录一般部分1 矿区概述及井田地质特征 ..................................................................................................11.1 矿区概述 ....................................................................................................................11.1.1 矿区地理位置与交通 ......................................................................................11.1.2 地形地貌 ..........................................................................................................21.1.3 主要河流 ..........................................................................................................21.2 井田地质特征 ...........................................................................................................21.2.1 井田地质构造 ..................................................................................................21.2.2 煤层特征 ..........................................................................................................21.2.3 煤质 ..................................................................................................................31.2.4 水文地质特征 ..................................................................................................41.2.5 其它开采地质条件 ..........................................................................................52 井田境界和储量 .................................................................................................................62.1 井田境界 ....................................................................................................................62.1.1 井田范围 .........................................................................................................62.1.2 开采界限 .........................................................................................................62.1.3 井田尺寸 .........................................................................................................62.2 矿井储量计算 ...........................................................................................................62.2.1 储量计算基础 .................................................................................................62.2.2 井田地质勘探 .................................................................................................72.2.3 地质储量计算 .................................................................................................72.2.4 工业储量计算 .................................................................................................72.3 矿井可采储量 ...........................................................................................................82.3.1 安全煤柱留设原则 .........................................................................................82.3.2 矿井永久保护煤柱损失量 .............................................................................82.3.3 矿井可采储量 ...............................................................................................103 矿井工作制度、设计生产能力及服务年限 ...................................................................113.1 矿井工作制度 ..........................................................................................................113.2 矿井设计生产能力及服务年限 ..............................................................................113.2.1 矿井设计生产能力及服务年限确定依据 ....................................................113.2.2 矿设计生产能力 ............................................................................................113.2.3 矿井服务年限 ................................................................................................113.2.4 井型校核 ........................................................................................................124 井田开拓 ...........................................................................................................................134.1 井田开拓的基本问题 .............................................................................................134.1.1 确定井筒形式、数目、位置及坐标 ............................................................134.1.2 工业场地的位置 ............................................................................................15第 II 页4.1.3 开采水平的确定及带(采)区划分 ............................................................154.1.4 方案比较 ........................................................................................................154.2 矿井基本巷道 ..........................................................................................................214.2.1 井筒 ................................................................................................................214.2.2 井底车场及硐室 ............................................................................................214.2.3 主要开拓巷道 ................................................................................................225 准备方式—— 带区巷道布置 ...........................................................................................315.1 煤层地质特征 ..........................................................................................................315.1.1 带区位置 ........................................................................................................315.1.2 带区煤层特征 ................................................................................................315.1.3 地质构造及顶底板特性 ................................................................................315.1.4 水文地质 ........................................................................................................315.1.5 地质构造 ........................................................................................................325.1.6 地表情况 ........................................................................................................325.2 带区巷道布置及生产系统 .....................................................................................325.2.1 带区准备方式的确定 ....................................................................................325.2.2 带区巷道布置 ................................................................................................335.2.3 带区生产系统 ................................................................................................345.2.4 带区内巷道掘进方法 ....................................................................................345.2.5 带区生产能力及采出率 ................................................................................355.3 带区车场及主要硐室 ..............................................................................................365.3.1 带区下部车场设计 ........................................................................................365.3.2 带区主要硐室 ................................................................................................366 采煤方法 ...........................................................................................................................386.1 采煤工艺方式 ..........................................................................................................386.1.1 带区煤层特征及地质条件 ............................................................................386.1.2 采煤工艺方式选择 .......................................................................................386.1.3 回采工作面参数 ............................................................................................386.1.4 回采工作面破煤、装煤方式 ........................................................................396.1.5 工作面运煤方式 ...........................................................................................396.1.6 回采工作面支护方式 ....................................................................................436.1.7 放顶煤参数确定 ...........................................................................................446.1.8 回采工作面劳动组织和正规循环作业 ........................................................456.2 回采巷道布置 ..........................................................................................................486.2.1 回采巷道布置方式 ........................................................................................486.2.2 回采巷道参数 ................................................................................................487 井下运输 ...........................................................................................................................517.1 概述 ..........................................................................................................................517.1.1 矿井设计生产能力及工作制度 ....................................................................517.1.2 煤层及煤质 ....................................................................................................51第 III 页7.1.3 运输距离和辅助运输设计 ............................................................................517.1.4 矿井运输系统 ................................................................................................517.2 带区运输设备选择 ..................................................................................................527.2.1 设备选型原则 ................................................................................................527.2.2 带区运输设备选型及能力验算 ....................................................................537.3 大巷运输设备选 ......................................................................................................547.3.1 主运输大巷设备选择 ....................................................................................547.3.2 辅助运输大巷设备选择 ................................................................................547.3.3 运输设备能力验算 .......................................................................................568 矿井提升 ...........................................................................................................................578.1 矿井提升概述 ..........................................................................................................578.2 主副井提升 ..............................................................................................................578.2.1 主井提升 ........................................................................................................578.2.2 副井提升 ........................................................................................................599 矿井通风及安全 ...............................................................................................................619.1 矿井地质、开拓、开采概况 ..................................................................................619.1.1 矿井地质概况 ................................................................................................619.1.2 开拓方式 ........................................................................................................619.1.3 开采方法 ........................................................................................................619.1.4 变电所、充电硐室、火药库 ........................................................................629.1.5 工作制、人数 ................................................................................................629.2 矿井通风系统的确定 ..............................................................................................629.2.1 矿井通风系统的基本要求 ............................................................................629.2.2 矿井通风方式的选择 ....................................................................................629.2.3 矿井通风方法的选择 ....................................................................................639.2.4 带区通风系统的要求 ....................................................................................649.2.5 带区通风方式的确定 ....................................................................................659.3 矿井风量计算 ..........................................................................................................659.3.1 通风容易时期和通风困难时期采煤方案的确定 ........................................659.3.2 各用风地点的用风量和矿井总用风量 ........................................................659.3.3 风量分配 ........................................................................................................709.4 矿井阻力计算 ..........................................................................................................719.4.1 计算原则 ........................................................................................................719.4.2 矿井最大阻力路线 ........................................................................................729.4.3 计算矿井摩擦阻力和总阻力 ........................................................................729.4.4 两个时期的矿井总风阻和总等积孔 ............................................................749.5 矿井通风设备选型 ..................................................................................................769.5.1 选择主要通风机 ............................................................................................769.5.2 电动机选型 ....................................................................................................799.6 安全灾害的预防措施 ..............................................................................................80第 IV 页9.6.1 预防瓦斯和煤尘爆炸的措施 ........................................................................809.6.2 预防井下火灾的措施 ....................................................................................809.6.3 防水措施 ........................................................................................................8010 设计矿井基本技术经济指标 .........................................................................................82参考文献 ...............................................................................................................................83专题部分浅析大倾角煤巷锚杆支护技术的原理及应用 ...................................................................841 引言 .................................................................................................................................842 煤巷锚杆支护技术 .........................................................................................................852.1 锚杆支护理论 .........................................................................................................852.1.1 现有锚杆支护理论 .....................................................................................852.1.2 锚杆支护新理论 ...........................................................................................862.2 锚杆支护设计方法 ...............................................................................................872.2.1 动态信息设计法简介 ...................................................................................882.2.2 试验点调查和地质力学评估 .......................................................................882.2.3 初始设计 .......................................................................................................882.2.4 井下监测 .......................................................................................................892.2.5 信息反馈和修正初始设计 ...........................................................................892.3 锚杆支护监测技术 .................................................................................................892.3.1 巷道表面位移 ...............................................................................................892.3.2 顶板离层 .......................................................................................................902.3.3 锚杆(索) 受力 .................................................................................
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