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浅析综放沿空掘巷围岩结构及其控制.rar

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    浅析 综放沿空掘巷 围岩 结构 及其 控制
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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、地势及河流 ................................................................................................21.1.3 气象与地震情况 ....................................................................................................21.1.4 矿区工农业生产概况 ............................................................................................21.1.5 邻近矿井状况 ........................................................................................................21.1.6 水源及电源 ............................................................................................................21.2 井田地质特征 ...................................................................................................................31.2.1 地层 ........................................................................................................................31.2.2 构造 ........................................................................................................................41.2.3 水文地质特征 ........................................................................................................41.3 煤层特征 ...........................................................................................................................71.3.1 煤层特征 ................................................................................................................71.3.2 煤质 ........................................................................................................................71.3.3 瓦斯、煤尘、煤的自燃性及地温 ........................................................................82 井田境界和储量 .......................................................................................................................102.1 井田境界 .........................................................................................................................102.1.1 井田范围 ..............................................................................................................102.1.2 开采界限 ..............................................................................................................102.1.3 井田尺寸 ..............................................................................................................102.2 矿井地质储量 .................................................................................................................112.2.1 储量计算基础 ......................................................................................................112.2.2 矿井地质储量计算 ..............................................................................................112.2.3 矿井工业储量计算 ..............................................................................................122.3 矿井可采储量 .................................................................................................................122.3.1 井田边界保护煤柱 ..............................................................................................122.3.2 工业广场保护煤柱 ..............................................................................................132.3.3 断层保护煤柱 ......................................................................................................142.3.4 风井保护煤柱 ......................................................................................................142.3.5 大巷、井筒和井底车场附近保护煤柱 ..............................................................142.3.6 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 开采水平的确定及带区的划分 ..........................................................................204.1.3 主要开拓巷道 ......................................................................................................204.1.4 开拓方案比较 ......................................................................................................204.2 矿井基本巷道 .................................................................................................................274.2.1 井筒 ......................................................................................................................274.2.2 井底车场及硐室 ..................................................................................................314.2.3 大巷 ......................................................................................................................325 准备方式— 带区巷道布置 .......................................................................................................365.1 煤层地质特征 .................................................................................................................365.1.1 带区位置 ..............................................................................................................365.1.2 带区煤层特征 ......................................................................................................365.1.3 煤层顶底板岩石构造情况 ..................................................................................365.1.4 水文地质 ..............................................................................................................365.1.5 地质构造 ..............................................................................................................375.1.6 地表情况 ..............................................................................................................375.2 带区巷道布置及生产系统 .............................................................................................375.2.1 带区准备方式的确定 ..........................................................................................375.2.2 带区巷道布置 ......................................................................................................375.2.3 带区生产系统 ......................................................................................................395.2.4 带区内巷道掘进方法 ..........................................................................................405.2.5 带区生产能力及采出率 ......................................................................................405.3 带区车场选型设计 .........................................................................................................416 采煤方法 ...................................................................................................................................426.1 采煤工艺方式 .................................................................................................................426.1.1 带区煤层特征及地质条件 ..................................................................................426.1.2 确定采煤工艺方式 ..............................................................................................426.1.3 回采工作面参数 ..................................................................................................426.1.4 采煤工作面回采工艺 ..........................................................................................436.1.5 采煤工作面支护方式 ..........................................................................................476.1.6 端头支护及超前支护方式 ..................................................................................506.1.7 各工艺过程注意事项 ..........................................................................................506.1.8 回采工作面正规循环作业 .................................................................................51第 III 页6.2 回采巷道布置 .................................................................................................................546.2.1 回采巷道布置方式 ..............................................................................................546.2.2 回采巷道参数 ......................................................................................................547 井下运输 ...................................................................................................................................577.1 概述 .................................................................................................................................577.1.1 矿井设计生产能力及工作制度 ..........................................................................577.1.2 煤层及煤质 ..........................................................................................................577.1.3 运输距离和货载量 ..............................................................................................577.1.4 矿井运输系统 ......................................................................................................577.2 带区运输设备选择 .........................................................................................................597.2.1 设备选型原则 ......................................................................................................597.2.2 带区运输设备选型及能力验算 ..........................................................................597.3 大巷运输设备选择 .........................................................................................................617.3.1 主运输大巷设备选择 ..........................................................................................617.3.2 辅助运输大巷设备选择 ......................................................................................627.3.3 运输设备能力验算 ..............................................................................................628 矿井提升 ...................................................................................................................................658.1 矿井提升概述 .................................................................................................................658.2 主井提升 .........................................................................................................................658.2.1 主井提升 ..............................................................................................................658.2.2 主斜井检修设备的运送 ......................................................................................669 矿井通风及安全 .......................................................................................................................689.1 矿井概况、开拓方式及开采方法 .................................................................................689.1.1 矿井地质概况 ......................................................................................................689.1.2 开拓方式 ..............................................................................................................689.1.3 开采方法 ..............................................................................................................689.1.4 加油硐室、火药库 ..............................................................................................689.1.5 工作制、人数 ......................................................................................................689.2 矿井通风系统的确定 .....................................................................................................699.2.1 矿井通风系统的基本要求 ..................................................................................699.2.2 矿井通风方式的选择 ..........................................................................................699.2.3 矿井主要通风机工作方式选择 ..........................................................................709.2.4 带区通风系统的要求 ..........................................................................................719.2.5 工作面通风方式的选择 ......................................................................................719.3 矿井风量计算 .................................................................................................................729.3.1 通风容易时期和通风困难时期采煤方案的确定 ..............................................729.3.2 各用风地点的用风量和矿井总用风量 ..............................................................729.3.3 采煤工作面需风量计算 ......................................................................................729.3.4 备用面需风量的计算 ..........................................................................................74第 IV 页9.3.5 掘进工作面需风量 ..............................................................................................749.3.6 硐室需风量 ..........................................................................................................759.3.7 其它巷道所需风量 ..............................................................................................759.3.8 矿井总风量 ..........................................................................................................759.3.9 风量分配 ..............................................................................................................769.4 矿井阻力计算 .................................................................................................................779.4.1 计算原则 ..............................................................................................................779.4.2 矿井最大阻力路线 ..............................................................................................779.4.3 矿井通风阻力计算 ..............................................................................................789.4.4 矿井通风总阻力 ..................................................................................................819.4.5 两个时期的矿井总风阻和总等积孔 ..................................................................829.5 选择矿井通风设备 .........................................................................................................829.5.1 选择主要通风机 ..................................................................................................829.5.2 电动机选型 ..........................................................................................................859.5.3 对矿井主要通风设备的要求 ..............................................................................869.5.4 对反风、风峒的要求 ..........................................................................................869.6 安全灾害的预防措施 .................
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