【正文】 ........................................................................................... 21 斷面形狀選擇 ............................................................................................ 21 斷面尺寸規(guī)格 ............................................................................................ 21 風(fēng)速驗證 ................................................................................................... 23 支護形式 ................................................................................................... 24 風(fēng)井 ................................................................................................................. 24 石門及運輸巷道 ................................................................................................ 25 斷面形式 ................................................................................................... 25 單軌巷道斷面 ............................................................................................ 25 雙軌巷道斷面 ............................................................................................ 28 井巷掘進速度 ............................................................................................ 32 溜井 ................................................................................................................. 32 井底車場 .......................................................................................................... 32 井底車場規(guī)格尺寸 ..................................................................................... 32 道岔連接系 統(tǒng) ............................................................................................ 36 各段線路長度 ............................................................................................ 36 基建工程量 ....................................................................................................... 37 編制依據(jù) ................................................................................................... 37 井巷掘進定額指標(biāo) ..................................................................................... 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(shù)條件 ................................................................................................... 43 礦體賦存要素 ............................................................................................ 43 礦石物理力學(xué)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(shù)比較 ............................................................................................ 44 采礦方法確定 ............................................................................................ 44 礦塊采準(zhǔn)切割 ................................................................................................... 45 礦塊構(gòu)造要素 ............................................................................................ 45 礦塊采準(zhǔn)布置 ............................................................................................ 45 目 錄 V 采準(zhǔn)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(fēng) ................................................................................................... 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(zhǔn)、切割和回采 ............................................................................................ 49 采準(zhǔn)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(shù)經(jīng)濟指標(biāo) .............................................................................. 52 主要技術(shù)經(jīng)濟指標(biāo)表 .................................................................................. 52 采掘設(shè)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 ...............................................