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煤岩冲击倾向性及物理力学性质测定.rar

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    冲击 倾向性 物理 力学 性质 测定
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    目 录 一般部分 1 矿区概述及井田地质特征 ············································································· 1 1.1矿区概述 ····························································································· 1 1.1.1矿井地理位置、交通条件 ··································································· 1 1.1.2矿区经济状况 ·················································································· 1 1.1.3矿区气候条件 ·················································································· 2 1.1.4矿区水文情况 ·················································································· 2 1.2井田地质特征 ······················································································· 3 1.2.1井田地形与勘探程度 ········································································· 3 1.2.2井田煤系地层概述 ············································································ 3 1.2.3井田地质构造、最主要地质变动··························································· 4 1.2.4井田水文地质特征 ············································································ 6 1.3煤层特征 ····························································································· 6 1.3.1煤层 ······························································································ 6 1.3.2煤层的围岩性质 ··············································································· 7 1.3.3煤的特征 ························································································ 7 2 井田境界和储量 ························································································· 9 2.1井田境界 ····························································································· 9 2.1.1井田范围 ························································································ 9 2.1.2开采界限 ························································································ 9 2.1.3井田尺寸 ························································································ 9 2.2矿井工业储量 ······················································································· 9 2.2.1井田地质勘探 ················································································ 10 2.2.2煤层可采厚度 ················································································ 10 2.2.3矿井工业储量的计算 ······································································· 10 2.3矿井可采储量 ······················································································ 10 2.3.1井田边界保护煤柱 ·········································································· 10 2.3.2工业广场保护煤柱 ··········································································· 11 2.3.3断层和井筒保护煤柱 ········································································ 11 2.3.4矿井可采储量 ················································································ 12 3 矿井工作制度、设计生产能力及服务年限 ······················································· 14 3.1矿井工作制度 ······················································································ 14 3.2矿井设计生产能力及服务年限 ·································································· 14 3.2.1确定依据 ······················································································ 14 3.2.2矿井设计生产能力 ·········································································· 14 3.2.3矿井服务年限 ················································································ 14 4 井田开拓 ································································································ 16 4.1 井田开拓的基本问题 ············································································· 16 4.1.1确定井筒形式、数目、位置及坐标 ······················································ 16 4.1.2确定工业场地位置、形状和面积························································· 17 4.1.3开采水平的确定及采区的划分 ··························································· 18 4.1.4主要开拓巷道 ················································································ 18 4.1.5开拓方案比较 ················································································ 18 4.2矿井基本巷道 ······················································································ 23 4.2.1井筒 ···························································································· 23 4.2.2井底车场 ······················································································ 25 4.2.3主要开拓巷道 ················································································ 27 4.2.4巷道支护 ······················································································ 30 5 准备方式——采区巷道布置 ········································································· 31 5.1煤层的地质特征 ··················································································· 31 5.1.1采区位置 ······················································································ 31 5.1.2采区煤层特征 ················································································ 31 5.1.3煤层顶底板岩层性质 ······································································· 31 5.1.4煤层瓦斯与涌水情况 ······································································· 31 5.1.5地质构造 ······················································································ 31 5.1.6临近矿井与地表情况 ······································································· 32 5.2采区巷道布置及生产系统 ······································································· 32 5.2.1确定采区巷道布置及生产系统的原则 ··················································· 32 5.2.2采区位置及范围 ············································································· 32 5.2.3采煤方法及工作面长度的确定 ··························································· 32 5.2.4确定采区各种巷道的尺寸、支护方式及通风方式 ···································· 32 5.2.5煤柱尺寸的确定 ············································································· 33 5.2.6采区巷道的联络方式 ······································································· 33 5.2.7采区内工作面接替顺序 ···································································· 33 5.2.8采区生产系统 ················································································ 33 5.2.9采区内巷道掘进方法 ······································································· 34 5.2.10采区生产能力及采出率 ··································································· 34 5.3采区车场选型设计 ················································································ 35 5.3.1确定采区车场形式 ·········································································· 35 5.3.2采区主要硐室布置 ·········································································· 37 6 采煤方法 ································································································ 38 6.1采煤工艺方式 ······················································································ 38 6.1.1采区煤层特征及地质条件 ································································· 38 6.1.2确定采煤工艺方式 ·········································································· 38 6.1.3回采工作面参数 ············································································· 39 6.1.4回采工作面破煤与装煤方式 ······························································ 39 6.1.5回采工作面支护方式 ······································································· 42 6.1.6端头支护及超前支护方式 ································································· 43 6.1.7各工艺过程注意事项 ······································································· 44 6.1.8回采工作面正规循环作业 ································································· 45 6.2回采巷道布置 ······················································································ 48 6.2.1回采巷道布置方式 ·········································································· 48 6.2.2回采巷道参数 ················································································ 48 7 井下运输 ································································································ 51 7.1概述 ·································································································· 51 7.1.1井下运输设计的原始条件和数据························································· 51 7.1.2运输距离和货载量 ·········································································· 51 7.1.3矿井运输系统 ················································································ 51 7.2采区运输设备选择 ················································································ 52 7.2.1设备选型原则 ················································································ 52 7.2.2采区设备的选型 ············································································· 52 7.3大巷运输设备选择 ················································································ 53 7.3.1运输大巷设备选择 ·········································································· 53 7.3.2辅助运输大巷设备选择 ···································································· 54 8 矿井提升 ································································································ 56 8.1概述 ·································································································· 56 8.1.1矿井提升设计的原始条件和数据························································· 56 8.1.2主、副井提升方式 ·········································································· 56 8.2主副井提升 ························································································· 56 8.2.1主井提升容器选择 ·········································································· 56 8.2.2副井提升容器选择 ·········································································· 56 9 矿井通风与安全 ························································································ 58 9.1矿井通风系统选择 ················································································ 58 9.1.1矿井通风系统的基本要求 ································································· 58 9.1.2矿井通风方式的确定 ······································································· 58 9.1.3矿井主要通风机工作方式的选择························································· 59 9.1.4采区通风系统的要求 ······································································· 60 9.1.5工作面通风方式的选择 ···································································· 60 9.2采区及全矿所需风量 ············································································· 61 9.2.1采煤工作面需风量 ·········································································· 61 9.2.2备用工作面需风量 ·········································································· 62 9.2.3掘进工作面需风量 ·········································································· 62 9.2.4硐室需风量 ··················································································· 63 9.2.5其它巷道所需风量 ·········································································· 63 9.2.6矿井总风量计算 ············································································· 63 9.2.7风量分配 ······················································································ 64 9.3全矿通风阻力的计算 ············································································· 65 9.3.1矿井通风总阻力计算原则 ································································· 65 9.3.2容易和困难时期矿井阻力路线的确定 ··················································· 65 9.3.3矿井通风阻力计算 ·········································································· 65 9.3.4矿井通风总阻力计算 ······································································· 66 9.3.5矿井总风阻和等积孔计算 ································································· 67 9.4通风机选型 ························································································· 68 9.4.1选择主要通风机 ············································································· 68 9.4.2电动机选型 ··················································································· 70 9.5防止特殊灾害的安全措施 ······································································· 71 9.5.1预防瓦斯和煤尘爆炸的措施 ······························································ 71 9.5.2预防井下火灾的措施 ······································································· 72 9.5.3防水措施 ······················································································ 72 10 设计矿井基本技术经济指标 ······································································· 73 一般部分参考文献 ························································································ 74 专题部分 煤岩冲击倾向性及物理力学性质测定 ································································ 76 1 顶板岩层冲击倾向性测定 ············································································ 76 1.1概述 ·································································································· 76 1.1.1顶板岩层冲击倾向性分类及指标························································· 76 1.1.2顶板岩层冲击倾向性测定方法 ··························································· 76 1.2采样 ·································································································· 78 1.3试样加工与试验 ··················································································· 78 1.3.1试样加工 ······················································································ 78 1.3.2实验系统 ······················································································ 80 1.4试验处理结果及分析 ············································································· 80 1.4.1抗拉强度(tensile strength) ······························································ 80 1.4.2岩石块体密度(block density of rock) ················································· 81 1.4.3 弹性模量(modulus of elasticity) ························································· 81 1.4.4 弯曲能量指数(bending energy index) ·················································· 81 1.5主要结论 ···························································································· 81 1.6主要附图 ···························································································· 82 2 底板岩层物理力学性质 ··············································································· 86 2.1底板岩样抗压强度的测定 ······································································· 86 2.2底板岩样弹性模量的测定 ······································································· 86 2.3底板岩样抗拉强度的测定 ······································································· 87 2.4底板岩样内聚力、内摩擦角的测定 ···························································· 88 2.5主要结论 ···························································································· 89 2.6主要附图 ···························································································· 89 专题部分参考文献 ························································································ 95 翻译部分 英文原文 ··································································································· 97 EME rock burst monitoring in coal mine huafeng ····················································· 97 1 EME mechanism of rock burst failure······························································ 97 1.1 EME Mechanism of Rock Burst Failure ····················································· 97 1.2 EME Phenomena and Experiment Result of Rock Burst ·································· 97 2 forecastinf of rock bu
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