【正文】 ...................................................1 井田概況 ......................................................................................................1 交通位置 ............................................................................................1 地形地貌 ............................................................................................2 地面水系 ............................................................................................2 氣象特征 ............................................................................................2 地震情況 ............................................................................................2 地區(qū)經(jīng)濟(jì)概況 .....................................................................................2 礦區(qū)開發(fā)簡史 .....................................................................................3 地面建 (構(gòu) )筑物及設(shè)施 ........................................................................3 礦井外部建設(shè)條件及評價 .............................................................................3 運輸條件 ............................................................................................3 水源條件 ............................................................................................3 其它建設(shè)條件 .....................................................................................4 礦井資源條件 ...............................................................................................4 地層 ...................................................................................................4 構(gòu)造 ...................................................................................................5 煤層 ...................................................................................................5 煤質(zhì) ...................................................................................................6 水文地質(zhì) ............................................................................................8 其他開采技術(shù)條件 ..............................................................................8 儲量 ...................................................................................................8 井田勘查程度及開采條件評價 .....................................................................9 地質(zhì)勘探程度 .....................................................................................9 地質(zhì)勘探評價 .....................................................................................9 第 2章 礦井資源 /儲量、設(shè)計生產(chǎn)能力及服務(wù)年限 ................................................. 11 井田境界及資源 /儲量 ................................................................................. 11 井田境界 .......................................................................................... 11 IV 資源儲量 .......................................................................................... 11 礦井設(shè)計生產(chǎn)能力及服務(wù)年限 ...................................................................15 礦井工作制度 ...................................................................................15 礦井設(shè)計生產(chǎn)能力 ............................................................................15 礦井設(shè)計服務(wù)年限 ............................................................................17 第 3章 井田開拓 .....................................................................................................18 開拓方式及井口位置 ..................................................................................18 井口位置及工業(yè)場地選擇的原則和主要因素 ....................................18 礦井開拓方案的選擇 ........................................................................18 開拓部署 ....................................................................................................36 井筒形式和數(shù)目 ...............................................................................36 井筒位置及坐標(biāo) ...............................................................................36 水平劃分及標(biāo)高 ...............................................................................36 石門、大巷布置 ...............................................................................36 煤 層開采順序 ...................................................................................38 采區(qū)劃分與接替 ...............................................................................38 井筒 ...........................................................................................................40 井筒凈斷面及布置 ............................................................................40 井筒施工方法 ...................................................................................42 (1)普通法 ...................................................................................................43 井壁結(jié)構(gòu) ..........................................................................................43 井筒延深的初步意見 ........................................................................44 井底 車場及硐室 .........................................................................................44 井底車場形式的確定及論證 .............................................................44 井底車場主要硐室 ............................................................................45 專 題 瓦斯抽采方法研究與措施 .....................................47 井田概況與背景及意義 ......................................48 井田概況 ...........................................48 本課題研究的背景及意義 ..............................48 研究現(xiàn)狀及發(fā)展趨勢 ........................................49 煤巖瓦斯?jié)B流和煤層卸壓瓦斯抽放研究現(xiàn)狀 ................49 采動覆巖移動變形及裂隙演化研究現(xiàn)狀 ...................50 V 礦井瓦斯抽放方法研究現(xiàn)狀 .............................51 瓦斯抽采技術(shù) ........................................54 研究存在的問題 ......................................58 研究方法與技術(shù)路線 ..........................................58 瓦斯賦存及運移規(guī)律 .........................................59 礦煤層瓦斯含量 ......................................59 煤層瓦斯運移規(guī)律 ...