【正文】 ............... 1 地理位置及交通條件 ................................................................................................................. 1 地形特點(diǎn)及居民點(diǎn)分布 ............................................................................................................ 1 工農(nóng)業(yè)生產(chǎn)和原料及電力供應(yīng) ............................................................................................. 1 礦區(qū)氣候條件 ................................................................................................................................ 2 礦區(qū)水文及工農(nóng)業(yè)供水 ............................................................................................................ 2 地震 ................................................................................................................................................... 2 井田地質(zhì)特征 .......................................................................................................................................... 2 井田地形及勘探程度 ................................................................................................................. 2 井田煤系地層 ................................................................................................................................ 2 井田地質(zhì)構(gòu)造 ................................................................................................................................ 4 礦井水 文地質(zhì)條件 ...................................................................................................................... 5 煤層特征 .................................................................................................................................................... 5 煤層埋藏條件 ................................................................................................................................ 5 可采煤層特征 ................................................................................................................................ 5 2 井田境界和儲(chǔ)量 ......................................................................................................................................... 7 井田境界 .................................................................................................................................................... 7 井田范圍 .......................................................................................................................................... 7 開采界限 .......................................................................................................................................... 7 井田尺寸 .......................................................................................................................................... 7 礦井工業(yè)儲(chǔ)量 .......................................................................................................................................... 7 勘探類型及儲(chǔ)量等 級(jí)的圈定 .................................................................................................. 7 儲(chǔ)量等級(jí)的圈定 ........................................................................................................................... 8 靈泉礦 2 煤層最小可采厚度 ...................................................................................................................... 8 礦井工業(yè)儲(chǔ)量的計(jì)算 ................................................................................................................. 8 礦井可采儲(chǔ)量 .......................................................................................................................................... 9 保護(hù)煤柱儲(chǔ)量計(jì)算 ...................................................................................................................... 9 可采儲(chǔ)量計(jì)算 .............................................................................................................................. 13 3 礦井工作制度、設(shè)計(jì)生產(chǎn)能力及服務(wù)年限 ...................................................................... 13 礦井工作制度 ....................................................................................................................................... 13 礦井設(shè)計(jì)生產(chǎn)能力及服務(wù)年限 .................................................................................................... 14 確定依據(jù) ........................................................................................................................................ 14 礦井設(shè)計(jì)生產(chǎn)能力 ................................................................................................................... 14 礦井服務(wù)年限 ............................................................................................................................. 14 4 井田開拓 ........................................................................................................................................................ 16 井田開拓的基本問題 ........................................................................................................................ 16 井筒形式及數(shù)目 ........................................................................................................................ 16 工業(yè)廣場(chǎng)及井口位置的確定 ............................................................................................... 17 開采水平的確定及采區(qū)劃分 ............................................................................................... 18 采區(qū)劃分及其布置 ................................................................................................................... 19 開拓方 案比較 ....................................................................................................................................... 19 提出方案 ........................................................................................................................................ 19 技術(shù)比較 ........................................................................................................................................ 21 經(jīng)濟(jì)比較 ......................................................................................