【正文】 ..... 36 基建工程量 ....................................................................................................... 37 編制依據(jù) ................................................................................................... 37 井巷掘進定額指標 ..................................................................................... 38 基建工程量確定 ......................................................................................... 38 編制結(jié)果 ................................................................................................... 40 第 6 章 采礦方法 ................................................................................................... 43 開采技術條件 ................................................................................................... 43 礦體賦存要素 ............................................................................................ 43 礦石物理力學性質(zhì) ..................................................................................... 43 礦石價值及品位 ......................................................................................... 43 采礦方法選擇 ................................................................................................... 43 初選 .......................................................................................................... 43 經(jīng)濟技術比較 ............................................................................................ 44 采礦方法確定 ............................................................................................ 44 礦塊采準切割 ................................................................................................... 45 礦塊構(gòu)造要素 ............................................................................................ 45 礦塊采準布置 ............................................................................................ 45 目 錄 V 采準切割巷道施工順序及施工方法 ............................................................. 46 礦房回采 .......................................................................................................... 46 鑿巖 .......................................................................................................... 46 爆破 .......................................................................................................... 46 采場通風 ................................................................................................... 47 采場 礦石 運搬及二次破碎 ........................................................................... 47 地壓管理 ................................................................................................... 47 回采工作制度 ............................................................................................ 47 礦柱回采及采空區(qū)處理 ..................................................................................... 48 礦柱回采 ................................................................................................... 48 采空區(qū)處理 ................................................................................................ 49 采準、切割和回采 ............................................................................................ 49 采準切割回采表 ......................................................................................... 49 采切工程量計算 ......................................................................................... 50 同時回采礦塊數(shù) ......................................................................................... 51 采礦方法主要技術經(jīng)濟指標 .............................................................................. 52 主要技術經(jīng)濟指標表 .................................................................................. 52 采掘設備 ................................................................................................... 52 材料消耗 ................................................................................................... 52 第 7 章 礦井提升 ................................................................................................... 53 提升方式及系統(tǒng)選擇 ......................................................................................... 53 提升設備選擇 ................................................................................................... 53 提升容器參數(shù)計算 ..................................................................................... 53 平衡錘選擇 ................................................................................................ 55 鋼絲繩選擇 ................................................................................................ 55 天輪選擇 ................................................................................................... 57 提升機選擇 ................................................................................................ 57 電動機選擇 ................................................................................................ 58 井架和提升機房配置 .................................................................................. 59 第 8 章 礦井通風 ................................................................................................... 63 通風系統(tǒng)和通風方式 ......................................................................................... 63 進、回風井布置形式 ......................................................................................... 63 通風方式 .......................................................................................................... 63 全礦總風量計算 ................................................................................................ 63 采場風量 ................................................................................................... 63 備采工作面風量 ......................................................................................... 64 掘進工作面風量 .....................................................