【正文】 8 選定開拓方案詳述 ......................................................................................... 19 井筒形式和數(shù)目 .................................................................................. 19 井筒位置、坐標(biāo)及主要尺寸 ................................................................ 19 中段和開采水平的確定 ....................................................................... 20 石門長(zhǎng)度、斷面形狀和尺寸 ................................................................ 20 井底車場(chǎng)及硐室選擇 ........................................................................... 21 礦層群的分組或聯(lián)系方式 .................................................................... 21 井筒布置和施工 ............................................................................................ 21 井筒穿過的表土層和基巖的名稱，性質(zhì)井壁厚度以及砌筑厚度的選擇 21 井筒布置和井筒裝備的選擇 ................................................................ 23 井筒延伸的初步設(shè)想，前期工程應(yīng)采取的必要措施 ............................. 24 井底車場(chǎng)及硐室 ............................................................................................ 25 井底車場(chǎng)的確定或論證，說明其理由 .................................................. 25 井底車場(chǎng)的布置： .............................................................................. 25 選定必要的井底車場(chǎng)機(jī)電硐室和其它硐室 ........................................... 25 井底車場(chǎng)主要巷道和各個(gè)硐室的支護(hù)方式和材料 ................................. 25 開采順序 ....................................................................................................... 26 沿井田走向方向的開采順序 ................................................................ 26 沿井 田傾斜方向的開采順序 ................................................................ 26 采區(qū)接替計(jì)劃 ..................................................................................... 26 “三量”控制情況 ............................................................................... 26 4 采礦方法和采區(qū)巷道布置 ..................................................................... 28 采礦方法的選擇 ........................................................................................... 28 選擇一個(gè)合理的采礦方法必須滿足下列條件 ........................................ 28 設(shè)計(jì)礦井的采礦方法的初選 ................................................................ 29 采場(chǎng)劃分布置及各生產(chǎn)系統(tǒng) ........................................................................... 35 采準(zhǔn)設(shè)計(jì) ............................................................................................ 35 廢石、材料設(shè)備運(yùn)輸系統(tǒng) .................................................................... 36 采場(chǎng)通風(fēng)系統(tǒng) ..................................................................................... 36 采場(chǎng)供電系統(tǒng) ..................................................................................... 36 目錄 V 采場(chǎng)開采順序 ................................................................................................36 回采工藝 .......................................................................................................36 鑿巖爆破 .............................................................................................36 礦石的搬運(yùn)和放礦 ...............................................................................38 采場(chǎng)頂板管理 ......................................................................................38 采場(chǎng)勞動(dòng)組織 ......................................................................................38 礦塊生產(chǎn)能力計(jì)算及損失和貧化 ....................................................................38 礦塊生產(chǎn)能力計(jì)算 ...............................................................................39 礦石損失和貧化 ..................................................................................39 投產(chǎn)時(shí)投產(chǎn)采場(chǎng)數(shù)和采掘接替 ........................................................................39 充填工作 .......................................................................................................39 充填原則 .............................................................................................39 充填準(zhǔn)備工作 ......................................................................................40 采場(chǎng)充填及充填接頂 ...........................................................................41 充填體質(zhì)量及充填接頂效果 .................................................................41 充填勞動(dòng)組織 ......................................................................................42 回采工作組織 ................................................................................................42 5 井下運(yùn)輸和礦井提升 ...............................................................................43 設(shè)計(jì)依據(jù)和原始資料 ......................................................................................43 井下運(yùn)輸設(shè)計(jì)要求的相關(guān)原始資料 ......................................................43 礦井提升設(shè)計(jì)主要依據(jù)和相關(guān)原始資料 ...............................................43 礦井井下運(yùn)輸 ................................................................................................43 運(yùn)輸方式和運(yùn)輸系統(tǒng)的選擇決定 ..........................................................43 礦車選型及數(shù)量計(jì)算 ...........................................................................43 礦井提升 .......................................................................................................46 選擇確定提升系統(tǒng) ...............................................................................46 提升設(shè)備的選型計(jì)算 ...........................................................................46 6 礦井通風(fēng)與安全 .........................................................................................50 礦井通風(fēng)方式和通風(fēng)系統(tǒng) ...............................................................................50 提出有關(guān)通風(fēng)設(shè)計(jì)的基本數(shù)據(jù) .............................................................50 選擇礦井通風(fēng)方式 ...............................................................................50 選擇和確定通風(fēng)系統(tǒng) ...........................................................................50 通風(fēng)系統(tǒng)的風(fēng)量、風(fēng)阻計(jì)算和風(fēng)量計(jì)算 ..........................................................50 重慶大學(xué)本科學(xué)生畢業(yè)設(shè)計(jì)（論文） VI 全礦總風(fēng)量估算 .................................................................................. 50 全礦總風(fēng)量的