【正文】 一般部分 1 礦區(qū)概述及井田地質(zhì)特征 ....................................................1 礦區(qū)概述 ........................................................................................................................ 1 礦區(qū)地理位置 ......................................................................................................... 1 交通條件 ................................................................................................................ 1 地形、地貌 ........................................................................................................... 2 河流 ....................................................................................................................... 2 氣象及地震情況 ...................................................................................................... 2 水源 ....................................................................................................................... 3 井田地質(zhì)特征 .................................................................................................................. 3 井田地質(zhì)構(gòu)造 ......................................................................................................... 3 水文地質(zhì) ................................................................................................................. 7 煤層特征 ....................................................................................................................... 10 煤層 ..................................................................................................................... 10 煤質(zhì) ..................................................................................................................... 12 煤層頂、底板 ....................................................................................................... 15 瓦斯 ..................................................................................................................... 16 煤塵及煤的自然 ................................................................................................... 16 2 井田境界和儲量 ...........................................................17 井田境界 ....................................................................................................................... 17 井田境界劃分的原則 ............................................................................................ 17 井田范圍 .............................................................................................................. 17 開采界限 .............................................................................................................. 17 井田尺寸 .............................................................................................................. 17 礦井工業(yè)儲量 ................................................................................................................ 18 工業(yè)儲量計算 ....................................................................................................... 18 礦井可采儲量 ................................................................................................................ 18 可采量計算 .......................................................................................................... 18 井田永久保護(hù)煤柱損失量 ..................................................................................... 19 礦井可采儲量 ....................................................................................................... 19 3 礦井工作制度和設(shè)計生產(chǎn)能力 ................................................21 目 錄 3 礦井工作制度 ................................................................................................................ 21 礦井設(shè)計生產(chǎn)能力及服務(wù)年限 ........................................................................................ 21 礦井服務(wù)年限的核算 ............................................................................................ 21 井型校核 .............................................................................................................. 21 4 井田開拓 ................................................................ 23 井田開拓的基本問題 ...................................................................................................... 23 確定井筒形式、數(shù)目、及位置 .............................................................................. 23 工業(yè)廣場的位置 ................................................................................................... 24 開采水平水平的確定及帶區(qū)和采區(qū)的劃分 ............................................................ 25 主要巷道的開拓 ................................................................................................... 25 方案比較 .............................................................................................................. 25 礦井基本巷道 ................................................................................................................ 30 井筒 ..................................................................................................................... 30 . 井底車場及硐室 .................................................................................................. 31 主要巷道開拓 ....................................................................................................... 35 5 準(zhǔn)備方式 —— 帶區(qū)巷道布置 .................................................. 38 煤層地質(zhì)特征 .............................................................................................................. 38 帶區(qū)位置 .............................................................................................................. 38 帶區(qū)煤層特征 ....................................................................................................... 38 煤層頂?shù)装? .......................................................................................................... 38 水文地質(zhì) .............................................................................................................. 38 地質(zhì)構(gòu)造 ......................................................