【正文】 ................................................1 工程概況 ......................................................................................................................1 水文與水利規(guī)劃 ..........................................................................................................11．氣象 ...........................................................................................................................12． 水利 計 算 .................................................................................................................1 地形地質(zhì)條件 ..............................................................................................................1 區(qū)工程地 質(zhì) 條件 ....................................................................................................2 址區(qū)工程地 質(zhì) 條件 ................................................................................................3 建筑材料及筑壩材料技術(shù)指標的選定 ......................................................................43．當?shù)亟ㄖ牧?...........................................................................................................62 樞紐布置 .............................................................................................................................8 壩軸線選擇 .................................................................................................................8 工程等級及建筑物級別 .............................................................................................9 樞紐布置 ...................................................................................................................10 導 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 ...............................................................................................................14 土石壩斷面設(shè)計 ......................................................................................................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 ..............................................................................................................17 體的防滲 ........................................................................................................17 防滲體的土料要求 ............................................................................................18第 4 章 壩體滲流計算 .......................................................................................................19 設(shè)計說明 ..................................................................................................................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 滲流計算 ..................................................................................................................20 基本假定 ............................................................................................................20 計 算公式 ............................................................................................................20 三種工況 計 算 ....................................................................................................21 滲流校核 ............................................................................................................23 浸 潤線計 算 ........................................................................................................24 理正 軟 件校核 ....................................................................................................27第 5 章 土石壩壩坡穩(wěn)定分析及計算 ...............................................................................30 壩體荷載 ...................................................................................................................30 滲流力 ................................................................................................................30 孔隙 壓 力 .......................................