【正文】 1 目 錄 第一章 設(shè)計(jì)依據(jù) .............................................................................................. 1 工程等級及建筑物級別 ............................................................................. 1 工程洪水標(biāo)準(zhǔn) ............................................................................................. 2 第二章 洪水調(diào)節(jié)計(jì)算 .................................................................................... 3 工程洪水標(biāo)準(zhǔn) ............................................................................................. 3 調(diào)洪計(jì)算 ..................................................................................................... 3 調(diào)洪計(jì)算基本原理 ................................................................................ 3 水位與流量關(guān)系的確定 ......................................................................... 5 機(jī)算調(diào)洪數(shù)據(jù) ....................................................................................... 5 校核水庫防空時(shí)間 ............................................................................... 22 第三章 水能計(jì)算 ..........................................................................................24 電站出力的估算 ....................................................................................... 24 機(jī)組臺數(shù)和單機(jī)容量的選擇 ................................................................... 24 水輪機(jī)型號和參數(shù)選擇 ........................................................................... 24 淤沙高程及電站取水口高程計(jì)算 ........................................................... 25 淤沙 高程 ............................................................................................ 25 電站進(jìn)水口底板高程 ........................................................................... 25 第四章 水電站廠房初步設(shè)計(jì) .................................................................... 27 水電站廠房的布置 ................................................................................... 27 廠房輪廓的確定 ....................................................................................... 27 主廠房長度的確定 ............................................................................... 27 主廠房寬度的確定 ............................................................................. 27 尾水平臺及尾水閘室的布置 ................................................................ 28 第五章 大壩設(shè)計(jì) ............................................................................................ 29 大壩有關(guān)參數(shù)的確定 ............................................................................... 29 非溢流壩設(shè)計(jì) ........................................................................................... 30 非溢流壩基本剖面設(shè)計(jì) ....................................................................... 30 非溢流壩實(shí)用剖面設(shè)計(jì) ....................................................................... 31 非溢流壩的荷載組合 ........................................................................... 31 非溢流壩抗滑穩(wěn)定驗(yàn)算（壩基處 2— 2 截面） ...................................... 32 非溢流壩段應(yīng)力驗(yàn)算（壩基處 2— 2截面） .......................................... 36 壩基處 2— 2截面內(nèi)部應(yīng)力驗(yàn)算 ........................................................... 38 非溢流壩段折坡處抗滑穩(wěn)定驗(yàn)算（ 1— 1 截面） ................................... 41 非溢流壩段折坡應(yīng)力驗(yàn)算（ 1— 1 截面） .............................................. 46 溢流壩段設(shè)計(jì) ........................................................................................... 47 溢流壩段基本數(shù)據(jù) .............................................................................. 47 溢流壩段實(shí)用剖面設(shè)計(jì) ........................................................................ 48 溢流壩段消能設(shè)施的結(jié)構(gòu)尺寸確定 ....................................................... 49 2 溢流壩抗滑穩(wěn)定驗(yàn)算（壩基處 2— 2 截面） .......................................... 50 溢流壩段應(yīng)力驗(yàn)算（壩基處 2— 2 截面） .............................................. 55 溢流挑射距離和沖坑深度計(jì)算 ............................................................. 56 廠房壩段設(shè)計(jì) ........................................................................................... 57 水電站廠房的型式 .............................................................................. 57 水電站廠房的布置 .............................................................................. 57 電站引水管的布置形式 ....................................................................... 57 廠房壩段壩身剖面設(shè)計(jì) ....................................................................... 58 第六章 施工組織設(shè)計(jì) .................................................................................. 60 施工導(dǎo)流標(biāo)準(zhǔn) ............................................................................................60 施工導(dǎo)流布置和水力計(jì)算 ....................................................................... 60 導(dǎo)流方法 ............................................................................................. 60 導(dǎo)流布置 ............................................................................................ 60 一期導(dǎo)流計(jì)算 ........................................................................................... 61 導(dǎo)流水力計(jì)算 ..................................................................................... 61 上下游圍堰的堰頂高程 ....................................................................... 62 圍堰斷面設(shè)計(jì) ..................................................................................... 62 圍 堰工程量計(jì)算 ...................................................................................65 二期導(dǎo)流機(jī)算 ........................................................................................... 66 壩體缺口和底孔聯(lián)合泄流水力計(jì)算 ...................................................... 66 堰頂高程的確定與堰 頂寬度的確定 ...................................................... 66 圍堰斷面設(shè)計(jì) ..................................................................................... 66 圍堰工程量計(jì)算 .................................................................................. 67 封堵時(shí)間及蓄水計(jì)劃 ............................................................................... 68 1 第一章 設(shè)計(jì)依據(jù) 工程等級及建筑物級別 根據(jù) 《水利水電工程等級劃分及洪水標(biāo)準(zhǔn)》 SL252— 2021 有 表 11 水利水電工程分等指標(biāo) 工程等別