【正文】 ............. 1 礦井附近的工農(nóng)業(yè) 情況 ......................................................................................... 1 水源、電力及建材來源 ......................................................................................... 1 氣候條件 ................................................................................................................. 2 水文情況 ................................................................................................................. 2 井田地質(zhì)特征 ................................................................................................................... 3 井田地形 ................................................................................................................. 3 井田勘探程度 ......................................................................................................... 3 井田煤系地層概述 ................................................................................................. 3 井田地質(zhì)構(gòu)造 ......................................................................................................... 4 井田水文地質(zhì)特征 ................................................................................................. 8 煤層特征 ......................................................................................................................... 10 煤層賦存條件 ....................................................................................................... 10 含煤地層 ............................................................................................................... 10 可采煤層圍巖性質(zhì) ............................................................................................... 12 煤的特征 ............................................................................................................... 13 2 井田境界和儲量 ...................................................................................................................... 15 井田境界 ......................................................................................................................... 15 井田境界 ............................................................................................................... 15 可采煤層 ............................................................................................................... 15 礦井工業(yè)儲量 ................................................................................................................. 15 儲量計算基礎(chǔ) ....................................................................................................... 15 工業(yè)儲量計算 ....................................................................................................... 16 礦井可采儲量 ................................................................................................................. 17 地面工業(yè)廣場保護煤柱 ....................................................................................... 17 斷層及邊界保護煤柱 ........................................................................................... 18 可采儲量計算 ....................................................................................................... 19 3 礦井工作制度、設(shè)計生產(chǎn)能力及服務(wù)年限 .......................................................................... 20 礦井工作制度 ................................................................................................................. 20 礦井設(shè)計生產(chǎn)能力及服務(wù)年限 ..................................................................................... 20 確定依據(jù) ................................................................................. 錯誤 !未定義書簽。 礦井設(shè)計生產(chǎn)能力 ............................................................................................... 20 井型校核 ............................................................................................................... 20 4 井田開拓 .................................................................................................................................. 22 井田開拓的基本問題 ..................................................................................................... 22 井筒形式的確定 ................................................................................................... 22 井筒位置的確定 ................................................................................................... 23 井筒數(shù)量 ............................................................................................................... 23 工業(yè)場地的位置 ................................................................................................... 23 開采水平的確定及帶區(qū)布置 ............................................................................... 23 主要開拓巷道 ....................................................................................................... 23 開采順序 ............................................................................................................... 24 預(yù)提可行開拓方案及基礎(chǔ)數(shù)據(jù) ........................................................................... 24 方案比較 ............................................................................................................... 25 礦井基本巷道 ................................................................................................................. 32 井筒 ....................................................................................................................... 32 井底車場及硐室 ................................................................................................... 35 主要開拓巷道 ....................................................................................................... 37 5 準(zhǔn)備方式 —— 帶區(qū)巷道布置 .................................................................................................. 41 煤層地質(zhì)特征 ................................................................................................................. 41 帶區(qū)位置 ............................................................................................................... 41 帶區(qū)煤層特征 .............................