【正文】 ................................. 1 礦區(qū)的水文情況 ....................................................................................................................................................... 1 井田地質(zhì)特征 .................................................................................................................................................................... 1 煤層特征 ............................................................................................................................................................................. 1 主要水文地質(zhì)條件 ................................................................................................................................................... 1 可采煤層 ..................................................................................................................................................................... 3 煤的特征 .................................................................................................................................................................... 3 瓦斯，煤塵及 自燃，地溫 ..................................................................................................................................... 4 2 井田境界與儲量 .......................................................................................................................................................................6 井田境界 ............................................................................................................................................................................. 6 礦井儲量計算 .................................................................................................................................................................... 6 構(gòu)造類型 ..................................................................................................................................................................... 6 礦井工業(yè)儲量 ........................................................................................................................................................... 6 礦井可采儲量 ........................................................................................................................................................... 8 礦井可采儲量 .................................................................................................................................................................. 8 永久保護煤柱留設(shè) ................................................................................................................................................ 8 礦井可采儲量 ....................................................................................................................................................... 10 3 礦井工作制度、設(shè)計生產(chǎn)能力 及服務(wù)年限 ....................................................................................................................11 礦井工作制度 .................................................................................................................................................................. 11 礦井設(shè)計生產(chǎn)能力及服務(wù)年限 ................................................................................................................................... 11 4 井田開拓 ............................................................................................................................................................................... 13 井田開拓的基本問題 ..................................................................................................................................................... 13 井筒形式的確定 ..................................................................................................................................................... 13 井筒位置的確定采（帶）區(qū)劃分 ...................................................................................................................... 15 工業(yè)場地的位置 ..................................................................................................................................................... 15 開采水平的確定 ..................................................................................................................................................... 16 礦井開拓方案比較 ................................................................................................................................................ 16 礦井基本巷道 .................................................................................................................................................................. 20 井筒 ............................................................................................................................................................................ 20 井底車場及硐室 ...................................................................................................................................................... 20 主要開拓巷道 .......................................................................................................................................................... 27 巷道支護 .................................................................................................................................錯誤 !未定義書簽。 5 準備方式 —— 采區(qū)巷道布置 .............................................................................................................. 錯誤 !未定義書簽。 煤層地質(zhì)特征 ................................................................................................................................錯誤 !未定義書簽。 采區(qū)位置 .................................................................................................................................錯誤 !未定義書簽。 采區(qū)煤層特征 ........................................................................................................................錯誤 !未定義書簽。 煤層頂?shù)装鍘r石構(gòu)造情況 ..................................................................................................錯誤 !未定義書簽。 水 文地質(zhì) ..............