大壩采用碾壓混凝土重力壩型式,壩頂總長 300m,壩頂 EL179m,最大壩高 111m,最大壩底寬度 84.5m,壩頂寬 7m。壩體設(shè)置三個表孔溢洪道,孔口堰頂 EL155.0m,單孔寬 16m;一個泄水底孔,底板 EL115.4m,斷面尺寸(寬×高)為 5m×8.2m。表孔和底孔都設(shè)置檢修閘門和工作閘門以及相應(yīng)的啟閉設(shè)備。 本工程施工導(dǎo)流采用斷流圍堰,右岸布置一條導(dǎo)流隧洞。導(dǎo)流隧洞長 351.4 m,過水?dāng)嗝妫▽挕粮撸?11m×15m 的方圓型。
1 章 概 述...............................................................................................................................1-1
1.1 工程概況 ...............................................................................................................................1-1
1.2 地形和地質(zhì) ...........................................................................................................................1-1
1.3 水文和氣象 ...........................................................................................................................1-1
1.4 主要工程量 ...........................................................................................................................1-2
1.5 主要控制性施工進(jìn)度............................................................................................................1-2
1.6 工程特點 ...............................................................................................................................1-3
1.7 主要施工方法........................................................................................................................1-3
1.7.1 導(dǎo)流 ...............................................................................................................................1-4
1.7.2 壩基開挖 .......................................................................................................................1-4
1.7.3 大壩混凝土施工方案 ...................................................................................................1-4
1.7.4 模板 ...............................................................................................................................1-4
第 2 章 施工組織機(jī)構(gòu).....................................................................................................................2-5
第 3 章 施工總體布置.....................................................................................................................3-6
3.1 布置條件 ...............................................................................................................................3-6
3.1.1 工程區(qū)地形 ...................................................................................................................3-6
3.1.2 交通條件 .......................................................................................................................3-6
3.1.3 建設(shè)單位提供的大壩標(biāo)營地........................................................................................3-6.............