【正文】 目錄 第一章 采礦方法選擇 ................................................................................................... １ 一、 設(shè)計(jì)礦體的開采技術(shù)條件 ................................................................................. １ 二、采礦方法的選擇 ............................................................................................... １ 三、礦塊構(gòu)成要素 ................................................................................................... ４ 第二章 礦塊采準(zhǔn)切割工作 ............................................................................................ ４ 一、 階段運(yùn)輸巷道布置 ............................................................................................ ４ （類型、型號(hào)） ....................................................................... ４ ........................................................................... ４ ........................................................................... ６ 二、礦塊底部結(jié)構(gòu) ................................................................................................... ６ .................................................................................. ６ ................................................................ ６ .................................................................................. ６ 三、切割工作 .......................................................................................................... ６ 四、采準(zhǔn)巷道及切割巷道斷面尺寸 .......................................................................... ７ 、切割巷道施工設(shè)備 ................................................................ ７ 、切割巷道斷面尺寸 ....................................................................... ７ ............................................................. ７ 五、 繪制采礦方法圖 ............................................................................................... ７ 六、 采準(zhǔn)工程量及礦石損失貧化計(jì)算 ....................................................................... ７ ............................................................................................ ７ 、礦塊采出礦石量計(jì) 算 ............................................................. ８ ............................................................................................ ９ 七、 采出礦石品位和金屬回收率計(jì)算 .................................................................... １０ 計(jì)算采出礦石品位 ................................................................................... １０ ......................................................................................... １０ 第三章 礦房回采工作 ................................................................................................ １０ 一、 礦房回采工藝過程 ......................................................................................... １０ 二、 礦房落礦工作 ................................................................................................ １０ ： 炮孔直徑、最小抵抗線、孔底線、炮孔排距 ....................... １１ ，確定單位炸藥消耗。 ...................................................... １１ ，并繪制炮孔布置草圖 ................................................... １１ .................................................................................. １２ （ T） ......................................................................... １２ （ Q） ....................................................... １３ （ q1）， ...................................................................... １３ 三、 采場(chǎng)選擇 ....................................................................................................... １３ 四、 采場(chǎng)地壓管理 ................................................................................................ １３ 五、 方框漏口閘門 ................................................................................................ １４ 六、 采場(chǎng)通風(fēng) ....................................................................................................