【正文】 ..................................................10 導(dǎo)流泄洪洞 ......................................................................................................11 溢洪道 ..............................................................................................................11 灌溉發(fā)電洞及樞紐電站 ...................................................................................11 壩型確定 ..................................................................................................................12第 3 章 壩工設(shè)計(jì) ........................................................................................................14 土石壩斷面設(shè)計(jì) .....................................................................................................14 壩頂高程 ...........................................................................................................14 壩頂寬度 ...........................................................................................................16 上下游邊坡 .......................................................................................................16 壩底寬度 ..........................................................................................................17 防滲體設(shè)計(jì) .............................................................................................................17 .......................................................................................................17 防滲體的土料要求 ...........................................................................................18第 4 章 壩體滲流計(jì)算 ................................................................................................19 設(shè)計(jì)說明 .................................................................................................................19 土石壩滲流分析的任務(wù) ...................................................................................19 滲流分析的工況 ...............................................................................................19 滲流分析的方法 ...............................................................................................19 滲流計(jì)算 .................................................................................................................20 基本假定 ...........................................................................................................20 計(jì)算公式 ...........................................................................................................20 三種工況計(jì)算 ...................................................................................................21 滲流校核 ...........................................................................................................23 浸潤(rùn)線計(jì)算 .......................................................................................................24 理正軟件校核 ...................................................................................................27第 5 章 土石壩壩坡穩(wěn)定分析及計(jì)算 ..........................................................................30 壩體荷載 ..................................................................................................................30 滲流力 ...............................................................................................................30 孔隙壓力 ...........................................................................................................30 地震力 ...............................................................................................................30 穩(wěn)定分析方法 ..........................................................................................................30 計(jì)算工況 ..................................................................................................................31 穩(wěn)定計(jì)算 ...................................................................................................................31 瑞典圓弧滑動(dòng)法 ...............................................................................................31 理正軟件計(jì)算 ...................................................................................................33第 6 章 細(xì)部構(gòu)造 ........................................................................................................36 壩頂構(gòu)造 .............................................................................................................36 護(hù)坡 .....................................................................................................................36 反濾層 .................................................................................................................37 排水體 .................................................................................................................40 馬道 ................................