【正文】 上海金山鐵路改建工程Ⅱ標(biāo)段 K29+ 平改立工程施工方案 上海建工（集團(tuán)）總公司 Shanghai Construction (Group) General Co. 2021 年 5 月 2 日 上海金山鐵路改建工程 1 目 錄 1 編制依據(jù)、原則及目的 ............................................................................................................................ 1 編制依據(jù) .............................................................................................................................................. 1 編制原則 .............................................................................................................................................. 2 編制目的 .............................................................................................................................................. 2 工程概況 ................................................................................................................................................... 2 、工程概述 ........................................................................................................................................... 2 、工程地質(zhì)條件 ................................................................................................................................... 3 、現(xiàn)場(chǎng)周邊環(huán)境 ................................................................................................................................... 4 、設(shè)計(jì)主要技術(shù)標(biāo)準(zhǔn) .......................................................................................................................... 5 施工目的 ................................................................................................................................................... 5 運(yùn)輸條件 ................................................................................................................................................... 5 施工準(zhǔn)備 ................................................................................................................................................... 6 勞動(dòng)力組織 ............................................................................................................................................... 6 施工程序 ................................................................................................................................................... 6 施工方案 ................................................................................................................................................... 7 、總體施工流程 ................................................................................................................................... 7 、主要施工方案 ................................................................................................................................... 7 、便梁臨時(shí)混凝土支座施工 .................................................................................................... 7 、便梁支墩施工 ......................................................................................................................... 8 、便梁安裝 .................................................................................................................................. 8 、工作坑圍護(hù)施工 ..................................................................................................................... 8 、基坑施工 ................................................................................................................................. 9 、基坑邊坡防護(hù) ....................................................................................................................... 11 、箱身預(yù)制施工 ....................................................................................................................... 11 、框架橋頂進(jìn)施工 ..................................................................................................................12 、高壓旋噴樁施工 ..................................................................................................................12 、輕型井點(diǎn)降水施工 ............................................................................................................13 、營(yíng)業(yè)線監(jiān)測(cè) .........................................................................................................................14 、交通組織 .............................................................................................................................16 、 框架橋頂進(jìn)施工及糾偏措施 ................................................................................................