【正文】 ... 8 設計原則 .............................................................................................................. 9 2 產(chǎn)品需求及市場預測 ............................................................................................................. 11 產(chǎn)品的性質(zhì)及用途 ....................................................................................................... 11 市場預測 ..................................................................................................................... 11 近年煤炭產(chǎn)量及需求量 ......................................................................................... 11 產(chǎn)品的價格分析 ................................................................................................... 12 3 礦區(qū)地質(zhì)及礦產(chǎn)資源概況 ...................................................................................................... 13 地質(zhì)工作簡述 .............................................................................................................. 13 以往地質(zhì)工作情況 ................................................................................................ 13 本次地質(zhì)工作情況 ................................................................................................ 14 礦區(qū)構造及地質(zhì)特征 ................................................................................................... 15 構造 ................................................................................................................... 15 地層 ................................................................................................................... 15 煤層 ................................................................................................................... 20 煤質(zhì) ................................................................................................................... 21 開采技術條件 .............................................................................................................. 28 水文地質(zhì)條件 ...................................................................................................... 28 工程地質(zhì)條件 ...................................................................................................... 31 環(huán)境地質(zhì)條件 ...................................................................................................... 31 其它地質(zhì)條件 ...................................................................................................... 31 礦產(chǎn)資源儲 量 .............................................................................................................. 33 對地質(zhì)勘探工作的評述 ................................................................................................ 33 4 建設規(guī)模及產(chǎn)品方案 ............................................................................................................. 35 開采范圍及可采資源 /儲量 ........................................................................................... 35 開采范圍 ............................................................................................................. 35 礦井資源量 /儲量 .................................................................................................. 35 建設規(guī)模及服務年限 ................................................................................................... 38 建設規(guī)模 ............................................................................................................. 38 服務年限 ............................................................................................................. 38 產(chǎn)品方案 ..................................................................................................................... 39 5 井田開拓與開采 .................................................................................................................... 40 影響礦井開拓的主要因素 ............................................................................................ 40 地形地質(zhì)及煤層賦存條件 ...................................................................................... 40 礦井開采現(xiàn)狀 ...................................................................................................... 40 井田開拓 ..................................................................................................................... 40 確定開拓方式的原則 ............................................................................................. 40 地面工業(yè)場地選址 ................................................................................................ 41 礦井開拓方式 ...................................................................................................... 41 井筒數(shù)目和位置 ................................................................................................... 43 水平劃分及階段垂高 ............................................................................................. 44 采區(qū)劃分、主要巷道布置及開采順序 ...................................................................... 45 采煤方法 ..................................................................................................................... 45 采煤方法選擇 ...................................................................................................... 45 回采工藝及設備 ................................................................................................... 46 投產(chǎn)時和達產(chǎn)時的采區(qū)位置及巷道布置 ................................................................... 46 礦井生產(chǎn)能力驗證 ....................................................................................................... 46 礦井達產(chǎn)時工作面數(shù)目、長度及產(chǎn)量 ...................................................................... 46 礦井達產(chǎn)時的井巷工程量 ...................................................................................... 47 礦井建設工期 ...................................................................................................... 48 礦井主要生產(chǎn)系統(tǒng) ....................................................................