【正文】 ...................................................37 2副盲斜井位置的確定 ........................................................................................................37 盲斜井聯(lián)合開(kāi)拓方案的說(shuō)明 .......................................................................................................37 開(kāi)拓中段劃分 .......................................................................................................................37 采用的開(kāi)拓的設(shè)計(jì) ...............................................................................................................38 各種硐室的確定 ....................................................................................................................41 開(kāi)拓系統(tǒng)描述 ........................................................................................................................44 開(kāi)拓基建工程進(jìn)度計(jì)劃編制 .......................................................................................................45 根據(jù)井巷計(jì)算所需的開(kāi)拓工程量 ........................................................................................45第 5 章 采礦方法 ........................................................................................................47 礦床開(kāi)采技術(shù)條件 .......................................................................................................................47 礦山現(xiàn)有的采礦方法評(píng)述 ...........................................................................................................47 礦山現(xiàn)行的采礦方法 ............................................................................................................47 主要論述：水壓支柱護(hù)頂壁式崩落法 ................................................................................48 礦柱回收及空區(qū)處理 ............................................................................................................49 現(xiàn)有的采礦方法存在的問(wèn)題及改進(jìn)問(wèn)題 ............................................................................49 采礦方法選擇 ...............................................................................................................................51 采礦方法初選 ........................................................................................................................51 采礦方法技術(shù)經(jīng)濟(jì)綜合比較 ................................................................................................52 礦塊的構(gòu)成要素 ...........................................................................................................................53 礦塊的布置 ............................................................................................................................53 階段高度和和礦塊長(zhǎng)度 ........................................................................................................53 運(yùn)輸水平布置 ........................................................................................................................53 礦石漏斗 ................................................................................................................................54 安全道 ....................................................................................................................................54 回采工作與設(shè)計(jì) ...........................................................................................................................54 采準(zhǔn)切割 ................................................................................................................................54 回采方式、工作面形式和回采工藝 ....................................................................................54 鑿巖爆破工作 ........................................................................................................................55 采場(chǎng)生產(chǎn)能力 ........................................................................................................................58 礦石搬運(yùn) ................................................................................................................................58 支護(hù)系統(tǒng)（采用水壓支柱護(hù)頂） ........................................................................................58 采空區(qū)處理和礦柱回采 ........................................................................................................60 采場(chǎng)通風(fēng) ................................................................................................................................61 采切回采計(jì)算 ........................................................................................................................61 水壓支柱護(hù)頂壁式崩落采礦法的評(píng)價(jià) .......................................................................................62第 6 章 礦井通風(fēng) ......................................................................................................63 礦山現(xiàn)有通風(fēng)系統(tǒng)評(píng)述 ...............................................................................................................63 礦山現(xiàn)有通風(fēng)系統(tǒng) ...............................................................................................................63 對(duì)礦山現(xiàn)有通風(fēng)系統(tǒng)的評(píng)價(jià) ...............................................................................................63 全礦通風(fēng)系統(tǒng)設(shè)計(jì) .......................................................................................................................63 設(shè)計(jì)原則 ...............................................................................................................................63 進(jìn)風(fēng)井與排風(fēng)井的位置及標(biāo)高 ...........................................................................................64 通風(fēng)系統(tǒng) ...............................................................................................................................64 全礦的需風(fēng)量計(jì)算及分配 ...................................................................................................64 礦井通風(fēng)阻力和自然通風(fēng)的計(jì)算 .....................................................................................68 選擇主扇和電動(dòng)機(jī) ...............................................................................................................71 選擇局部通風(fēng)系統(tǒng) ...............................................................................................................73 通風(fēng)成本估算（或根據(jù)資料選取） ..................................................................