【正文】 玉溪二 橋鋼吊箱 、 承臺(tái)專項(xiàng)施工方案 1 目 錄 一、 編制說明 ............................................................................................................................................... 1 （一）編制依據(jù) ............................................................................................................................................. 3 （二）編制目的 ............................................................................................................................................. 3 （三）適用范圍 ............................................................................................................................................. 3 二、 工程概況 ............................................................................................................................................... 3 （一）工程簡介 ............................................................................................................................................. 3 （二）地質(zhì)水文情況 ..................................................................................................................................... 4 工程地質(zhì) .............................................................................................................................................. 4 水文、氣象 .......................................................................................................................................... 4 （三 ）鋼吊箱的設(shè)計(jì) ..................................................................................................................................... 4 施工條件 ……………………………………………………………… ..…………… ……… ..2 方案慨術(shù) ……………………………………………………………………………………………………… ..2 主要設(shè)計(jì)資料 ………………………………………………………………………………………………… ...3 （四）施工重點(diǎn) ........................................................................................................................................... 33 （五）技術(shù)保證條件 ................................................................................................................................... 34 三、 施工組織、計(jì)劃 ................................................................................................................................. 34 （一）施工組織 ........................................................................................................................................... 34 （二）施工進(jìn)度計(jì)劃 ................................................................................................................................... 35 （三）設(shè)備配備計(jì)劃 ................................................................................................................................... 35 四、 鋼吊箱承臺(tái)施工和操作要點(diǎn) ............................................................................................................ 36 （一）施工工藝流程 ................................................................................................................................... 36 （二）操作要點(diǎn) ........................................................................................................................................... 36 鋼吊箱的加工、制作 ....................................................................................................................... 36 施工平臺(tái) ............................................................................................................................................ 37 吊箱底模拼裝 .................................................................................................................................... 37 焊接型鋼吊帶 .................................................................................................................................... 38 安裝側(cè)模 ............................................................................................................................................ 38 鋼吊箱下沉就位 ................................................................................................................................ 38 封堵后澆筑砼 .................................................................................................................................... 39 安裝內(nèi)支撐 ........................................................................................................................................ 39 吊箱內(nèi)抽水 ........................................................................................................................................ 39 割除鋼護(hù)筒 ...................................................................................................................................... 40 1封底砼找平 ...................................................................................................................................... 40 1承臺(tái)施工 .......................................................................................................................................... 40 1質(zhì)量控制 .......................................................................................................................................... 41 五、 大體積混凝土施工措施 …………………………………………………… …………………… .39 （一）配合比及選材方面 .......................................................................................................................... 42 玉溪二 橋鋼吊箱 、 承臺(tái)專項(xiàng)施工方案 2 （二）施工方面 ........................................................................................................................................... 42 （三）混凝土表面養(yǎng)護(hù)措施 ...................................................................................................................... 43 六、 安全措施 ............................................................................................................................................. 43 七、 水保、環(huán)保措施 ................................................................................................................................. 44 （一）施工水土保持措施 .........................................................