【正文】 ................1 項目建設(shè)的規(guī)模、經(jīng)營方針、采取的技術(shù)措施 .......................................................................1 作物名稱及比例 ...........................................................................................................................1 工程規(guī)劃、設(shè)計的主要內(nèi)容 .......................................................................................................22 基本情況 ..............................................................................................................................................3 自然、地理情況 .............................................................................................................................3 氣象 ...............................................................................................................................................3 水資源 ...........................................................................................................................................4 灌區(qū)土壤及水文地質(zhì) ...................................................................................................................9 材料 ...............................................................................................................................................9 水利工程現(xiàn)狀 .............................................................................................................................10 社會經(jīng)濟情況 .............................................................................................................................103 水土平衡分析 ....................................................................................................................................12 水資源現(xiàn)狀分析與評價 .............................................................................................................12 灌溉分區(qū) .....................................................................................................................................13 灌區(qū)開發(fā)利用規(guī)劃 .....................................................................................................................14 灌溉設(shè)計的標準 .........................................................................................................................14 灌區(qū)需水量分析 .........................................................................................................................14 灌區(qū)可供水量分析 .......................................................................................................................22 灌區(qū)水資源供需平衡分析 .........................................................................................................224 灌區(qū)規(guī)劃 ............................................................................................................................................26 灌區(qū)總體規(guī)劃的原則 .................................................................................................................26 灌區(qū)水源規(guī)劃 .............................................................................................................................26 灌區(qū)渠系工程規(guī)劃 .....................................................................................................................27 渠系建筑物規(guī)劃 .........................................................................................................................29 田間工程規(guī)劃 .............................................................................................................................30 林帶規(guī)劃 .....................................................................................................................................30 道路規(guī)劃 .......................................................................................................................................30 工程量及建筑物數(shù)量統(tǒng)計 .........................................................................................................315 典型渠道、排水溝縱橫斷面設(shè)計 ....................................................................................................32 各級渠道流量推算 .....................................................................................................................32 灌溉渠道縱橫斷面設(shè)計 ...............................................................................................................39 排水溝設(shè)計 ...................................................................................................................................6316. 2130 畝番茄膜下滴灌工程規(guī)劃設(shè)計 .................................................................................................66 基本資料 .......................................................................................................................................67 工程規(guī)劃 .....................................................................................................................................67 技術(shù)參數(shù)的選擇與確定 .............................................................................................................68 滴灌系統(tǒng)水力計算 .....................................................................................................................71 首部樞紐設(shè)計 .............................................................................................................................93 沉砂池的設(shè)計計算 .....................................................................................................................94 工程量統(tǒng)計 ...................................................................................................................................96謝 辭 ......................................................................................................................................................98參考文獻 ..................................................................................................................................................99附 錄 ....................................................................................................................................................10011 項目綜述 項目地點、位置H 農(nóng)場位于準葛爾盆地南沿，天山北麓，W 市西郊 28km 處，地理位置為東經(jīng) 87186。10’52”～87186。55’52