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浅析煤矿突水灾害及其防治.rar

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    浅析 煤矿 水灾 及其 防治
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    第 1 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 交通地理位置 ........................................................................................11.1.2 地形地貌 ................................................................................................11.1.3 河流及水体 ............................................................................................21.1.4 矿区的气候条件 ....................................................................................21.1.5 地震 ........................................................................................................31.2 井田地质特征 ..................................................................................................31.2.1 井田地层特征 ........................................................................................31.2.2 构造 ........................................................................................................51.2.3 水文地质 ................................................................................................51.2.4 其它有益矿产 ........................................................................................91.3 煤层特征 ..........................................................................................................91.3.1 煤层 ........................................................................................................91.3.2 煤质 ......................................................................................................111.3.3 煤层顶、底板 ......................................................................................142 井田境界和储量 ....................................................................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 ................................................................................................172.3 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 ..............................................................................192.4 矿井可采储量 ................................................................................................202.4.1 工业广场保护煤柱 ..............................................................................213 矿井工作制度、设计生产能力及服务年限 ..........................233.1 矿井工作制度 ................................................................................................233.2 矿井设计生产能力及服务年限 ....................................................................233.2.1 确定依据 ..............................................................................................233.2.2 矿井设计生产能力 ..............................................................................233.2.3 矿井服务年限 ......................................................................................23第 2 页3.2.4 井型校核 ..............................................................................................244 井田开拓 ...............................................................................254.1 井田开拓的基本问题 ....................................................................................254.1.1 确定井筒形式、数目、位置 ..............................................................254.1.2 阶段划分和开采水平的确定 ..............................................................264.1.3 井田划分 ..............................................................................................274.1.4 开拓方案比较 ......................................................................................274.2 矿井基本巷道 ................................................................................................314.2.1 井筒 ......................................................................................................314.2.2 开拓巷道 ..............................................................................................314.2.3 井底车场及硐室 ..................................................................................315 准备方式— 带区巷道布置 .....................................................395.1 煤层地质特征 ................................................................................................395.1.1 带区位置 ..............................................................................................395.1.2 带区煤层特征 ......................................................................................395.1.3 煤层顶底板岩石构造情况 ..................................................................395.1.4 水文地质 ..............................................................................................395.1.5 地质构造 ..............................................................................................395.1.6 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 ......................................................................................405.2.3 带区生产系统 ......................................................................................415.2.4 带区内巷道掘进方法 ..........................................................................425.2.5 带区生产能力及采出率 ......................................................................425.3 带区车场选型设计 ........................................................................................446 采煤方法 ...............................................................................456.1 采煤工艺方式 ................................................................................................456.1.1 带区煤层特征 ......................................................................................456.1.2 确定采煤工艺方式 ..............................................................................456.1.3 回采工作面参数 ..................................................................................466.1.4 回采工作面破煤、装煤方式 ..............................................................466.1.5 回采工作面支护方式 ..........................................................................476.1.6 端头支护及超前支护方式 ..................................................................496.1.7 各工艺过程注意事项 ..........................................................................506.1.8 回采工作面正规循环作业 ..................................................................526.1.9 综合机械化采煤过程中应注意事项 ..................................................56第 3 页6.2 回采巷道布置 ................................................................................................576.2.1 回采巷道布置方式 ..............................................................................576.2.2 回采巷道参数 ......................................................................................577 井下运输 ...............................................................................597.1 概述 ................................................................................................................597.1.1 矿井设计生产能力及工作制度 ..........................................................597.1.2 煤层及煤质 ..........................................................................................597.1.3 运输距离和辅助运输设计 ..................................................................597.1.4 矿井运输系统 ......................................................................................597.2 带区运输设备选择 ........................................................................................607.2.1 设备选型原则: ..................................................................................607.2.2 带区运输设备选型及能力验算 ..........................................................607.3 大巷运输设备选 ............................................................................................637.3.1 主运输大巷设备选择 ..........................................................................637.3.2 辅助运输大巷设备选择 ......................................................................647.3.3 运输设备能力验算 ..............................................................................658 矿井提升 ...............................................................................678.1 矿井提升概述 ................................................................................................678.2 主副井提升 ....................................................................................................678.2.1 主井提升 ..............................................................................................678.2.2 副井提升设备选型 ..............................................................................689 矿井通风及安全 ....................................................................719.1 矿井地质、开拓、开采概况 ........................................................................719.1.1 矿井地质概况 ......................................................................................719.1.2 开拓方式 ..............................................................................................719.1.3 开采方法 ..............................................................................................719.1.4 变电所、充电硐室、火药库` .............................................................729.1.5 工作制、人数 ......................................................................................729.2 矿井通风系统的确定 ....................................................................................729.2.1 矿井通风系统的基本要求 ..................................................................729.2.2 矿井通风方式的选择 ..........................................................................729.2.3 矿井通风方法的选择 ..........................................................................729.2.4 带区通风系统的要求 ..........................................................................739.2.5 带区通风方式的确定 ..........................................................................749.3 矿井风量计算 ................................................................................................749.3.1 通风容易时期和通风困难时期采煤方案的确定 ..............................749.3.2 各用风地点的用风量和矿井总用风量 ..............................................75第 4 页9.3.3 风量分配 ..............................................................................................799.4 矿井阻力计算 ................................................................................................809.4.1 计算原则 ..............................................................................................809.4.2 矿井最大阻力路线 ..............................................................................809.4.3 两个时期的矿井总风阻和总等积孔 ..................................................819.5 选择矿井通风设备 ........................................................................................859.5.1 选择主要通风机 ..................................................................................859.5.2 电动机选型 ..........................................................................................879.6 安全灾害的预防措施 ....................................................................................889.6.1 预防瓦斯和煤尘爆炸的措施 ..............................................................889.6.2 预防井下火灾的措施 ..........................................................................899.6.3 防水措施 ..............................................................................................8910 设计矿井基本技术经济指标 .................................................90参考文献 ...............................................................................................................91专题部分1 我国煤矿突水特点及原因 .....................................................931.1 我国煤矿突水特点 ......................................................................................931.2 突水灾害发生原因 ......................................................................................942 煤矿水害预警的理论 .............................................................962.1 煤层底板的递进导升突水机理 ..................................................................962.2 陷落柱突水的厚壁筒模型 ..........................................................................972.3 老塘突水的土坝模型 ..................................................................................983 突水防治方法 ........................................................................983.1 防治突水事故的管理措施 ..........................................................................983.2 防治突水事故的技术措施 ..........................................................................993.2.1 地面防水 ..............................................................................................993.2.2 井下防水治水 ..................................................................................1003.2.3 制定紧急事故处理预案,实施有效的抢救 ..................................1013.2.4 预先排水,疏干降压 ........................................................................1024 主关键层对倒水裂隙带高度的影响 ......................................1024.1 主关键层位置对导水裂隙带高度影响的实测研究 ...................................1024.1.1 实测方案 ..........................................................................................1024.1.2 实测结果 ..........................................................................................102第 5 页4.2 关键层与煤层临界距离确定方法 ..............................................................1065 预注浆防突水技术研究 ..........................................................1086 结论 ........................................................................................110翻译部分英文原文 ...................................................................................113中文译文 ...................................................................................120致 谢 ..........................................................................................................125中国矿业大学 2012 届本科生毕业设计 第 1 页一般部分中国矿业大学 2012 届本科生毕业设计 第 1 页1 矿区概述及井田地质特征1.1 矿区概述1.1.1 交通地理位置枣庄矿业集团公司田陈煤矿位于山东省滕州市南部,井田跨滕州市张王镇和微山县欢城镇。区内官(桥)—柴(里)铁路专用线横穿矿区中部,东至京沪线官桥站 11km,西至柴里矿 6km。滕州至微山公路分别经过井田东西两侧。以工业广场为中心,北距滕州市约 18km,南至微山县 16km。官桥至江苏沛县公路经井田南部穿过,东距官桥11km,西距江苏沛县 34km,交通十分方便(见图 1.1) 。图 1.1 交通位置图1.1.2 地形地貌滕南矿区地形平坦,地面标高+64~+32m ,地形自然坡度约千分之一,为由东北向西南缓慢下降的滨湖冲积平原,西南部地势较低洼,面临微山湖和昭阳湖。井田内地势同样是东北高西南低,地面标高+54.98~+35.11m,一般都高于最高洪水位+37.01m,因此,基本上不受洪水威胁。由于南四湖(独山湖、南阳湖、昭阳湖和微山湖)承受了几乎整个鲁西南各水系的来水,过去常因山洪下泄,湖水倒灌,造成濒湖地区大片受淹。根据 1957 年调查记载:连续降雨月余,形成了近百年罕见的特大洪水,导致郭河决堤和湖水泛滥,湖水位也由常年水位+33m 涨到+37.01m,常口至尹家洼一带影响最大,积水深 0.10~3.20m,洪水过后即行下落,影响最大的仅沿湖约 2km 范围内。近年来,经过大兴水利,沿湖、河流两岸都修筑了防洪堤坝,安装了排涝设备。仅中国矿业大学 2012 届本科生毕业设计 第 2 页湖东区,修建大、中、小水库 58 座,微型水库和塘坝达 2200 余座,拦蓄洪水容量近 10亿 m3。另外,1958 年~1963 年扩大了南四湖出口的泄水量,韩庄运河(原微山湖水位+33.5m 时)的泄水量由 100 余 m3/s 扩大到 1000m3
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