【正文】 .................................................................................................... 7 自然災(zāi)害 ....................................................................................................................... 7 水資源 .............................................................................................................................. 7 社會(huì)經(jīng)濟(jì)條件 ................................................................................................................ 7 社會(huì)經(jīng)濟(jì)概況與土地利用現(xiàn)狀 ................................................................................. 7 2 灌溉工程設(shè)計(jì)建設(shè)條件分析 ........................................................................................... 8 需水量預(yù)測 .................................................................................................................... 8 供水量預(yù)測 ................................................................................................................. 10 大氣降水量 ................................................................................................................. 10 地表水量 ..................................................................................................................... 10 其它條件 ........................................................................................................................ 10 土地利用限制因素 ......................................................................................................... 11 公眾參與 ........................................................................................................................ 11 3 工程規(guī)劃 ........................................................................................................................... 11 規(guī)劃原則 ........................................................................................................................ 11 合理利用原則 ............................................................................................................. 11 陳迪娜：皋蘭縣明星村井溝片灌溉工程設(shè)計(jì)（方案一） 2 可持續(xù)利用原則 ......................................................................................................... 11 可行性原則 ................................................................................................................. 12 協(xié)調(diào)性原則 ................................................................................................................. 12 規(guī)劃設(shè)計(jì)標(biāo)準(zhǔn) ................................................................................................................ 12 農(nóng)田水 利工程 ............................................................................................................. 12 道路工程 ..................................................................................................................... 12 農(nóng)田防護(hù)林 ................................................................................................................. 12 建筑物級(jí)別 .................................................................................................................. 12 4 灌區(qū)主要設(shè)計(jì)內(nèi)容 ............................................................................................................ 13 農(nóng)田水利工程 ................................................................................................................ 13 灌溉工程 ..................................................................................................................... 13 提灌站工程設(shè)計(jì) ............................................................................................................ 13 工程規(guī)劃 ..................................................................................................................... 13 水泵設(shè)計(jì)流量及管徑計(jì)算 .......................................................................................... 14 水泵設(shè)計(jì)楊程的確定與選型 ...................................................................................... 17 農(nóng)田水利工程 ................................................................................................................ 20 進(jìn)、出水管設(shè)計(jì)與灌溉渠道工程設(shè)計(jì) ..................................................................... 20 排水工程 ........................................................................................................................ 24 防洪標(biāo)準(zhǔn)與排澇標(biāo)準(zhǔn) ................................................................................................. 24 排漬標(biāo)準(zhǔn) ..................................................................................................................... 24 排水流量 計(jì)算 .............................................................................................................. 25 排水溝斷面設(shè)計(jì) .......................................................................................................... 25 建筑物工程 .................................................................................................................. 26 道路設(shè)計(jì) ........................................................................................................................ 31 電力工程 ........................................................................................................................ 31 輸電工程 ................................................................................................................... 31 電氣設(shè)計(jì) ................................................................................................................... 31 供電電源、供電電壓、用電負(fù)荷 ........................................................................... 31 泵站主接線及主要電氣設(shè)備 ................................................................................... 31 陳迪娜：皋蘭縣明星村井溝片灌溉工程設(shè)計(jì)（方案一） 3 泵站 ........................................................................................................................... 32 電量計(jì)量 ................................................................................................................... 32 泵站照明 .......................