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    深井 巷道 支护 技术 初探
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    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 .............................................................................................11.1.2 矿区气候条件 .............................................................................................11.1.3 矿区地貌、水文情况 .................................................................................11.1.4 矿区地震 ........................................................................................................21.2 井田地质特征 ........................................................................................................21.2.1 以往地质报告及勘探工作简况 .................................................................21.2.2 煤系地层 .....................................................................................................31.2.3 井田地质构造 .............................................................................................61.2.4 水文地质特征 .............................................................................................71.3 煤层特征 ................................................................................................................91.3.1 可采煤层 .....................................................................................................91.3.2 煤的特征 ...................................................................................................121.3.3 其它有益矿产 ...........................................................................................141.3.4 瓦斯,煤尘及自燃 ...................................................................................162 井田境界与储量 .............................................................................................................172.1 井田境界 ..............................................................................................................172.1.1 井田范围 ...................................................................................................172.1.2 开采界限 ...................................................................................................172.1.3 井田尺寸 ...................................................................................................172.2 井田地质勘探 ......................................................................................................172.2.1 勘探类型 ...................................................................................................172.2.2 钻孔分布及储量等级圈定 .......................................................................172.2.3 最小可采厚度 ...........................................................................................182.3 矿井地质储量 ......................................................................................................182.3.1 储量计算基础 ...........................................................................................182.3.2 矿井地质储量计算 ...................................................................................192.3.3 矿井工业储量计算 ...................................................................................202.4 矿井可采储量 ......................................................................................................202.4.1 井田边界保护煤柱 ...................................................................................212.4.2 工业广场保护煤柱 ...................................................................................212.4.3 风井保护煤柱 ...........................................................................................222.4.4 大巷保护煤柱 ...........................................................................................222.4.5 矿井可采储量 ...........................................................................................233 矿井工作制度、设计生产能力及服务年限 .................................................................243.1 矿井工作制度 ......................................................................................................243.2 矿井设计生产能力及服务年限 ..........................................................................243.2.1 确定依据 ...................................................................................................243.2.2 矿井设计生产能力 ...................................................................................243.2.3 矿井服务年限 ...........................................................................................243.2.4 井型校核 ...................................................................................................254 井田开拓 .......................................................................................................................264.1 井田开拓的基本问题 ..........................................................................................264.1.1 确定井筒形式、数目、位置 ...................................................................264.1.2 阶段划分和开采水平的确定 ...................................................................284.1.3 井田划分 ...................................................................................................294.1.4 主要开拓巷道 ...........................................................................................294.1.5 开拓方案比较 ...........................................................................................294.2 矿井基本巷道 ......................................................................................................374.2.1 井筒 ...........................................................................................................374.2.2 井底车场及硐室 .......................................................................................424.2.3 大巷 ...........................................................................................................434.2.4 巷道支护 ...................................................................................................475 准备方式— 采区巷道布置 .............................................................................................485.1 煤层地质特征 ......................................................................................................485.1.1 采区位置 ...................................................................................................485.1.2 采区煤层特征 ...........................................................................................485.1.3 煤层顶底板岩石构造情况 .......................................................................485.1.4 水文地质 ...................................................................................................495.1.5 地质构造 ...................................................................................................495.1.6 地表情况 ...................................................................................................495.2 采区巷道布置及生产系统 ..................................................................................495.2.1 采区位置及范围 .......................................................................................495.2.2 采煤方法及工作面长度的确定 ...............................................................495.2.3 定采区内各种巷道的尺寸、支护方式及通风方式 ...............................495.2.4 煤柱尺寸的确定 .......................................................................................495.2.5 采区巷道的联络方式 ...............................................................................505.2.6 采区内区段的接替顺序 ...........................................................................505.2.7 采区生产系统 ...........................................................................................505.2.8 采区内巷道掘进方法 ...............................................................................515.2.9 采区生产能力及采出率 ...........................................................................515.3 采区车场及主要硐室 ..........................................................................................535.3.1 确定采区车场形式 ...................................................................................535.3.2 采区主要硐室布置 ...................................................................................546 采煤方法 .........................................................................................................................566.1 采煤工艺方式 ......................................................................................................566.1.1 采区煤层特征及地质条件 .......................................................................566.1.2 确定采煤工艺方式 ...................................................................................566.1.3 回采工作面参数 .......................................................................................576.1.4 回采工作面破煤、装煤方式 ...................................................................576.1.5 回采工作面设备选型 ...............................................................................596.1.6 采煤工作面支护方式 ...............................................................................626.1.6 端头支护及超前支护方式 .......................................................................656.1.7 放顶煤参数确定 .......................................................................................666.1.8 各工艺过程注意事项 ...............................................................................676.1.9 采煤工作面正规循环作业 .......................................................................686.2 工作面回采巷道布置 ..........................................................................................726.2.1 回采巷道布置方式 ...................................................................................726.2.2 回采巷道参数 ...........................................................................................727 井下运输 ...........................................................................................................................777.1 概述 ......................................................................................................................777.1.1 井下运输设计的原始条件和数据 ...........................................................777.1.2 矿井运输系统 ...........................................................................................777.2 采区运输设备选择 ..............................................................................................777.2.1 工作面及运输平巷运输设备的选择 .......................................................777.2.2 采区辅助运输设备的选择 .......................................................................787.2.3 运输能力验算 ...........................................................................................817.3 大巷运输设备选择 ..............................................................................................817.3.1 轨道大巷运输设备的选择 .......................................................................817.3.2 运输大巷运输设备的选择 .......................................................................838 矿井提升 .........................................................................................................................858.1 矿井提升概述 ......................................................................................................858.2 主副井提升 ..........................................................................................................858.2.1 主井提升 ...................................................................................................858.2.2 副井提升设备选型 ...................................................................................889 矿井通风及安全 .............................................................................................................909.1 矿井通风系统的选择 ..........................................................................................909.1.1 矿井通风系统的基本要求 .......................................................................909.1.2 矿井通风系统的确定 ...............................................................................909.1.3 采区通风方式的选择 ...............................................................................929.1.4 工作面通风方式 .......................................................................................939.1.5 回采工作面进回风巷道的布置 ...............................................................949.2 矿井风量计算 ......................................................................................................949.2.1 通风容易时期和通风困难时期采煤方案的确定 .................................949.2.2 采煤工作面所需风量计算 .......................................................................999.2.3 备用工作面风量的计算 .........................................................................1009.2.4 掘进工作面所需风 .................................................................................1009.2.5 硐室需风量计算 .....................................................................................1019.2.6 其他用风巷道的需要风量计算 .............................................................1019.2.7 矿井总风量计算 .....................................................................................1029.2.8 风量分配及风速验算 .............................................................................1029.2.9 通风构筑物 .............................................................................................1049.3 矿井通风阻力计算 ............................................................................................1059.3.1 计算原则 .................................................................................................1059.3.2 矿井最大阻力路线 .................................................................................1059.3.3 矿井通风阻力计算 .................................................................................1059.4 选择矿井通风设备 ............................................................................................1099.4.1 选择主要通风机的基本原则 .................................................................1099.4.2 通风机风压的确定 .................................................................................1109.4.3 主要通风机工况点 .................................................................................1129.4.4 主要通风机的选择及风机性能曲线 .....................................................1129.4.5 电动机选型 .............................................................................................1139.5 安全灾害的预防措施 ........................................................................................1149.5.1 预防瓦斯和煤尘爆炸的措施 .................................................................1149.5.2 预防井下火灾的措施 .............................................................................1159.5.3 防水措施 .................................................................................................11510 矿井基本技术经济指标 .............................................................................................116参考文献专题部分深井巷道支护技术初探 .....................................................................................................1191 前言 ...............................................................................................................................1192 深井巷道破坏机理及支护形式典型破坏分析 ...........................................................1192.1 深井巷道破坏机理 ............................................................................................1192.2 深井巷道支护形式典型破坏分析 ....................................................................1
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