【正文】
stream, in the town of Changning,Changning county, yibin city, Sichuan design includs: 1 The determination of the gender of the engineering and building The designing of water retaining structures:the choosing and paring of the dam on higher,middle and lower reaches,the decorating of the water retaining structures,the designing of the size of the section in the dam and the designing of the detail structures in the water retaining Dam’s foundation treatments:choosing how to treat the dam foundation and the bultments’ Seepage analysis:choosing typical section,seepage analysis at normal operation and seepage analysis at checking The designing of the outlet The designing of the evaction and desilting The designing of the water diversion structure. Keywords: Dam design。 本科畢業(yè)設(shè)計(jì) 水庫樞紐設(shè)計(jì)及壩破穩(wěn)定分析 1 水庫樞紐設(shè)計(jì)及壩坡穩(wěn)定分析 專業(yè): 學(xué)生: 指導(dǎo)老師: 摘 要: 水庫是向家壩灌區(qū)規(guī)劃的南總干渠新建囤蓄水庫,位于長江右岸一級支流長寧河左岸碧玉溪下游,四川省宜賓市長寧縣長寧鎮(zhèn)境內(nèi)。 本次設(shè)計(jì)內(nèi)容包括: 1 確定工程等別及建筑物級別; 2 擋水建筑物:選擇比較上中下游壩址、布置擋水建筑物、設(shè)計(jì)大壩剖面尺寸、設(shè)計(jì)擋水建筑物細(xì)部構(gòu)造; 3 滲流分析:選定典型剖面、計(jì)算正常運(yùn)行情況的滲流情況,校核工況下的滲流分析; 4 穩(wěn)定計(jì)算:選定穩(wěn)定計(jì)算的計(jì)算方法、選定計(jì)算典型剖面、計(jì)算正常運(yùn)行的穩(wěn)定安全系數(shù)、分析 擬定壩坡的合理性; 5 泄水建筑物設(shè)計(jì);6 放空排沙洞設(shè)計(jì); 7 引水建筑物設(shè)計(jì)。Seepage。 Settlement 本科畢業(yè)設(shè)計(jì) 水庫樞紐設(shè)計(jì)及壩破穩(wěn)定分析 3 目錄 1 基本資料 .......................................................................................................................... 5 地理位置 ................................................................................................................ 6 水庫基本參數(shù) ........................................................................................................ 6 水文、氣象、泥沙資料 ........................................................................................ 6 氣象 .............................................................................................................. 6 徑流 .............................................................................................................. 7 洪水 .............................................................................................................. 9 泥沙情況 .................................................................................................. 10 工程地質(zhì) .............................................................................................................. 12 區(qū)域地質(zhì) .................................................................................................. 12 水庫區(qū)主要工程地質(zhì)問題 ...................................................................... 12 壩址比較及推薦意見 .............................................................................. 13 渠道主要工程地質(zhì)問題及評價(jià) .............................................................. 13 本工程區(qū)巖、土體物理力學(xué)參數(shù)建議值 .............................................. 14 天然建筑材料 .......................................................................................... 14 ......................................................................................................................... 14 基本資料 .............................................................................................................. 14 防洪標(biāo)準(zhǔn)的確定 .................................................................................................. 17 洪水調(diào)度方式 ...................................................................................................... 18 調(diào)洪基本原理 ...................................................................................................... 19 水庫水量平衡方程 .................................................................................... 19 水庫蓄泄方程或水庫蓄瀉曲線 ................................................................ 19 洪水調(diào)節(jié)計(jì)算成果 .............................................................................................. 20 3 壩址、壩型的選擇 ........................................................................................................ 21 主壩壩址選擇 ...................................................................................................... 21 壩址方案擬定 ............................................................................................. 21 上、下壩址樞紐布置比較 ...................................................................... 23 壩址選定 .................................................................................................... 24 4 工程等級及建筑物級別 ................................................................................................ 24 5 主體壩型設(shè)計(jì) ................................................................................................................ 25 壩頂高程 .............................................................................................................. 25 壩體斷面設(shè)計(jì) ...................................................................................................... 27 泥巖心墻石渣壩 ......................................................................................... 27 溢洪道 ......................................................................................................... 27 放空洞 ......................................................................................................... 28 取水隧洞 ..................................................................................................... 28 基礎(chǔ)處理及防滲設(shè)計(jì) ......................................................................................... 29 6 大壩計(jì)算與分析 ............................................................................................................ 29 滲流計(jì)算 ............................................................................................................... 29 .1 計(jì)算斷面 .................................................................................................... 29 計(jì)算參數(shù) .................................................................................................