【正文】 ..................................... 28 確定拋投粒徑及塊石分區(qū) ........................................................................................ 28 截流施工 ............................................................................................................................. 29 非龍口段截流施工 .................................................................................................... 29 龍口段截流施工 ........................................................................................................ 29 截流進(jìn)度控制 ............................................................................................................ 29 基坑排水 ............................................................................................................................. 30 初期排水 .................................................................................................................... 30 經(jīng)常性排水 ................................................................................................................ 32 3 主體工程施工 ........................................................................................................................... 32 大壩 ..................................................................................................................................... 32 壩基開(kāi)挖 ....................................................................................................................... 32 大壩砼澆筑 ................................................................................................................... 33 發(fā)電引水系統(tǒng) ..................................................................................................................... 33 施工支洞的布置及斷面擬定 ....................................................................................... 33 土石方開(kāi)挖 ................................................................................................................... 33 砼襯砌 ........................................................................................................................... 34 回填灌漿 ....................................................................................................................... 34 錨桿護(hù)坡 ....................................................................................................................... 34 漿砌石 ........................................................................................................................... 34 廠房及尾水渠 ..................................................................................................................... 35 土石方開(kāi)挖與回填 ....................................................................................................... 35 砼澆筑 ........................................................................................................................... 35 漿砌石 ........................................................................................................................... 35 公路工程施工方法 ............................................................................................................. 35 土石方開(kāi)挖與回填 ....................................................................................................... 35 漿砌石擋墻 ................................................................................................................... 35 砼澆筑 ........................................................................................................................... 35 4 施工交通及施工總布置 ........................................................................................................... 36 III 施工交通 ............................................................................................................................. 36 對(duì)外交通運(yùn)輸 ............................................................................................................... 36 場(chǎng)內(nèi)交通運(yùn)輸 ............................................................................................................... 36 施工總布置 ......................................................................................................................... 36 施工總進(jìn)度 .................................................................................................................. 36 編制依據(jù)及原則 ........................................................................................................... 37 施工分區(qū) ....................................................................................................................... 37 主要控制性進(jìn) 度 ........................................................................................................ 37 工程籌建期 ................................................................................................................... 37 4． 施工準(zhǔn)備期 ................................................................................................................ 38 主體工程施工期 .......................................................................................................... 38 工程完建期 ................................................................................................................... 38 5 施工供應(yīng) ................................................................................................................................... 39 施工用電供應(yīng) ..................................................................................................................... 39 砼拌和系統(tǒng)供應(yīng) ................................................................................................................. 39 機(jī)械修配車 間、汽車保養(yǎng)站 ............................................................................................. 39 綜合加工廠 ......................................................................................................................... 39 營(yíng)造布置 ............................................................................................................................. 40 土石方平衡及