【正文】 .................................................................................................. 12 、礦區(qū)地質 ..................................................................................................................... 13 礦區(qū)地層 ............................................................................................................... 13 ...................................................................................................... 14 ............................................................................................................. 15 開采技術條件 ................................................................................................................ 15 ............................................................................................................. 15 ............................................................................................................. 17 ............................................................................................................. 18 礦石類型 ....................................................................................................................... 19 礦石的加工特性 ............................................................................................................. 20 ................................................................................................................. 21 .............................................................................. 21 ...................................................................................................... 21 ................................................................................................... 21 第三章 開采設計 ..................................................................................................................... 23 ...................................................................................................... 23 ............................................................................................................. 23 ............................................................................................................. 23 ...................................................................................................... 23 ........................................................................................................................ 24 ................................................................................................................. 24 .............................................................................. 24 開采境界的確定原則 ........................................................................................... 24 木紋石采廠 開采設計 方案 ........................................................................................ 25 開采境界 ............................................................................................................. 25 采場邊坡參數的確定 ........................................................................................... 26 開拓運輸 ....................................................................................................................... 29 開拓運輸方案選擇原則 ........................................................................................ 29 開拓運輸方案選擇 ............................................................................................... 29 礦山運輸 ............................................................................................................. 29 運輸設備 ............................................................................................................. 32 開采工藝 ....................................................................................................................... 32 剝離 .................................................................................................................... 32 開段溝位置 ......................................................................................................... 32 首采工作面布置 .................................................................................................. 32 工作面推進方向 .................................................................................................. 33 采場要素 ............................................................................................................. 33 ........................................................................................................................ 33 穿孔作業(yè) ............................................................................................................. 33 爆破設計 ............................................................................................................... 35 ................................................................................................................. 38 裝載方式 ............................................................................................................. 38 裝載運輸設備選型 ............................................................................................... 38 吊裝及安全措施 ..................................................................................................... 38 ............................................................................................................. 40 境界外截排水溝 .................................................................................................. 40 臺階排水 ............................................................................................................. 40 場地排水溝 ......................................................................................................... 40 礦山供電 .......................................................