【正文】 選擇 .................................................................................................9 泄水建筑物的選擇 ...................................................................................10 取水建筑物 ............................................................................................... 11 3 壩斷面設(shè)計(jì) ................................................................................................................... 11 壩頂高程確定 ...................................................................................................... 11 壩頂寬度的確定 ..................................................................................................16 壩坡 ......................................................................................................................17 4 土石壩的構(gòu)造 ...............................................................................................................18 壩頂構(gòu)造 ..............................................................................................................18 壩坡的構(gòu)造 ..........................................................................................................19 防滲體 ..................................................................................................................20 排水設(shè)施 ..............................................................................................................21 棱體排水 ...................................................................................................21 壩面排水 ...................................................................................................22 5 土石壩的防滲計(jì)算 .......................................................................................................23 總滲流量的計(jì)算 ..................................................................................................23 防止?jié)B透變形的 工程措施 ..................................................................................25 6 土石壩的地基處理 .......................................................................................................27 地基處理 ..............................................................................................................27 土石壩與壩基、岸坡及其他建筑物的連接 .....................................................27 7 隧洞的布置 ...................................................................................................................28 導(dǎo)流隧洞 ..............................................................................................................29 泄洪隧洞 ..............................................................................................................32 發(fā)電隧洞 ..............................................................................................................34 放空隧洞 ..............................................................................................................35 8 施工工藝 .......................................................................................................................35 施工布置 ..............................................................................................................35 測(cè)量放樣 ..............................................................................................................36 料場(chǎng) ......................................................................................................................36 料場(chǎng)的規(guī)劃 ...............................................................................................36 土石料的開挖 ...........................................................................................37 臨時(shí)建筑物的修建 ..............................................................................................37 臨時(shí)交通道路 ...........................................................................................37 圍堰的修建 ...............................................................................................37 清基與壩基處理 ..................................................................................................38 基坑排水系統(tǒng)布置 ..............................................................................................38 排水系統(tǒng)布置 ...........................................................................................38 基坑排水 ...................................................................................................38 左右兩岸山溝雨水逕流的控制 ...............................................................38 壩體填筑施工 ......................................................................................................38 填筑作業(yè)面的 劃分 ...................................................................................39 施工試驗(yàn) ...................................................................................................39 壩料運(yùn)輸及卸料 .......................................................................................40 鋪料與整平 ...............................................................................................41 壩體碾壓 ...................................................................................................41 平整馬道與岸坡 .......................................................................................44 干砌石護(hù)坡 ...............................................................................................44 壩頂?shù)牟贾? ...............................................................................................45 土石壩的雨季和冬季施工 .......................................................................45 機(jī)械設(shè)備表 .............................................................................................45 9 土石壩工期的計(jì)算 .......................................................................................................45 1 XX 水庫土石壩工程初步設(shè)計(jì) 摘要 ： 本畢業(yè)設(shè)計(jì)為 XX 水庫土石壩工程的初步設(shè)計(jì)，在已知 的地形、地質(zhì)、水 文、氣象條件的基礎(chǔ)上 ，通過對(duì)土石壩的各種壩 型進(jìn)行 綜合分析 與比較，最終選擇粘土心墻土石壩的壩型。設(shè)計(jì)的主要有水庫樞紐布置、 主壩體結(jié)構(gòu)設(shè)計(jì) 、 壩