【正文】 ................34 設計洪水位下 ..............................................................................................................................34 校核洪水位下 ..............................................................................................................................35 應力校核 ........................................................................................................35 設計洪水位下 ..............................................................................................................................35 校核洪水位下 ..............................................................................................................................36 溢流壩消能抗沖刷措施 .................................................................................36 挑距 ..............................................................................................................................................36 沖坑 ..............................................................................................................................................37 導墻高度 ......................................................................................................................................374 水電站引水建筑物 .........................................................................................................38 進水口高程 ....................................................................................................38 壓力鋼管的布置 .............................................................................................38 壓力鋼管的厚度 .............................................................................................39 攔污柵及進水口閘門的設計 ..........................................................................40 通氣孔 ............................................................................................................415 水電站建筑物設計 .........................................................................................................42 特征水頭的選擇 ..........................................................................................42 校核洪水位下 ..............................................................................................................................42 設計洪水位下 ..............................................................................................................................42 正常蓄水位+一臺機組滿發(fā) ........................................................................................................42 正常蓄水位+四臺機組滿發(fā) ........................................................................................................42 設計低水位+一臺機組滿發(fā) ........................................................................................................43 設計低水位+四臺機組滿發(fā) ........................................................................................................43 水電站水輪機組的選型 ..............................................................................44 轉(zhuǎn)輪直徑 D1 .................................................................................................................................44 轉(zhuǎn)速 n（最優(yōu)工況） ...................................................................................................................44 效率修正 ......................................................................................................................................45 工作范圍檢驗 ..............................................................................................................................45 吸出高度 Hs .................................................................................................................................46 水輪發(fā)電機的選擇與尺寸估算 ...................................................................47 主要尺寸估算 ..............................................................................................................................47 平面尺寸估算 ..............................................................................................................................48 軸向尺寸 ......................................................................................................................................48 蝸殼和尾水管的計算 ..................................................................................49 金屬蝸殼尺寸 ..............................................................................................................................49 尾水管尺寸 ..................................................................................................................................50 調(diào)速器與油壓裝置的選擇 ...........................................................................51 調(diào)速器 ..........................................................................................................................................51 油壓裝置 ......................................................................................................................................52 廠房橋吊設備的選擇 ..................................................................................53 廠房形式與布置 ..........................................................................................54 主廠房的特征高程 ......................................................................................55 水輪機安裝高程 ..........................................................................................................................55 尾水管底板高程 ..........................................................................................................................55 水輪機層地面高程 ......................................................................................................................55 定子安裝高程 ..............................................................................................................................55 發(fā)電機層地面高程（定子埋入式） ...........................................................................................56 裝配場地面高程 .......................................................................................................