【正文】 Radial ventilation of doublewing目錄I目錄1 礦區(qū)概述及井田地質特征 ..............................................................................................................................................1 礦區(qū)概況 ....................................................................................................................................................................1 礦區(qū)地理位置及地形特點 ................................................................................................................................1 礦區(qū)氣候條件 ....................................................................................................................................................1 礦區(qū)的水文情況 .................................................................................................................................................1 井田地質特征 ...........................................................................................................................................................3 煤層特征 ...................................................................................................................................................................3 瓦斯，煤塵及自燃 ....................................................................................................................................................42 井田的境界和儲量 ..........................................................................................................................................................7 井田的境界 ...............................................................................................................................................................7 井田劃分的依據 .................................................................................................................................................7 井田的范圍 ........................................................................................................................................................7 開采界限 ............................................................................................................................................................7 井田尺寸 ............................................................................................................................................................8 井田的工業(yè)儲量 .......................................................................................................................................................8 儲量計算基礎 ....................................................................................................................................................8 保護煤柱儲量及可采儲量的計算 ....................................................................................................................93 礦井工作制度和設計生產能力 ....................................................................................................................................13 礦井工作制度 .........................................................................................................................................................13 循環(huán)作業(yè)方式 ..................................................................................................................................................13 綜采工作面循環(huán)作業(yè) ......................................................................................................................................13 礦井工作制度的確定 ......................................................................................................................................14 礦井設計生產能力及服務年限 .............................................................................................................................14 礦井設計生產能力的影響因素 ......................................................................................................................14 確定依據 ...........................................................................................................................................................15 礦井設計生產能力 ..........................................................................................................................................15 服務年限 ..........................................................................................................................................................16 井型校核 ..................................................................................................................................................................174 井田開拓 ........................................................................................................................................................................19 井田開拓的基本問題 .............................................................................................................................................19 井田開拓方式的分類 ......................................................................................................................................20 確定井筒的形式、數目及配置 ......................................................................................................................20目錄II 工業(yè)場地位置的選擇 ......................................................................................................................................23 確定開采水平和階段高度 ...............................................................................................................................23 主要開拓巷道及井底車場選型 .......................................................................................................................24 方案比較 ..................................................................................................................................................................24 方案的提出 ....................................................................................................................................................24 技術比較 ..................................................................................................................