【正文】 （ 40+64+40） m 連續(xù)梁施工方案 I 目 錄 1 編制依據(jù)及原則 ................................................................................................................. 1 編制依據(jù) ..................................................................................................................... 1 編制原則 ..................................................................................................................... 1 2 工程概況及主要工程數(shù)量 ................................................................................................... 1 工程概況 ..................................................................................................................... 1 連續(xù)梁設(shè)計(jì)情況 ................................................................................................ 1 梁體混凝土標(biāo)號(hào)及梁段劃分 ............................................................................ 2 預(yù)應(yīng)力體系 ....................................................................................................... 2 主要工程數(shù)量 ............................................................................................................. 2 自然 條件 ..................................................................................................................... 2 施工條件 ..................................................................................................................... 3 施工特點(diǎn)與重難點(diǎn)分析 ............................................................................................. 3 施工特點(diǎn) ............................................................................................................ 3 工程重點(diǎn) ........................................................................................................... 4 工程難點(diǎn) ............................................................................................................ 4 3 總體施工組織及計(jì)劃 ........................................................................................................... 5 施工組織 ..................................................................................................................... 5 臨時(shí)設(shè)施 ........................................................................................................... 5 連續(xù)梁施工組織機(jī)構(gòu) ....................................................................................... 5 人員設(shè)備配置 ................................................................................................... 6 工期計(jì)劃 ..................................................................................................................... 7 懸臂施工進(jìn)度指標(biāo)計(jì)算 ................................................................................... 7 工期計(jì)劃 ........................................................................................................... 8 4 施工方案 ............................................................................................................................. 10 施工方案概述 ........................................................................................................... 10 0段施工 .................................................................................................................... 10 0段施工工藝流程 ........................................................................................... 10 支座安裝 ......................................................................................................... 10 臨時(shí)固結(jié) ......................................................................................................... 14 （ 40+64+40） m 連續(xù)梁施工方案 II 0＃段施工支架 ................................................................................................ 15 0＃段施工支架預(yù)壓 ........................................................................................ 16 0段模板 .......................................................................................................... 20 0段鋼筋 .......................................................................................................... 20 鋼筋及預(yù)應(yīng)力管道 ......................................................................................... 22 0段混凝土澆筑 .............................................................................................. 22 貝雷桁架掛籃 .................................................................................................... 28 貝雷桁架掛籃的設(shè)計(jì)及加工 ......................................................................... 28 掛籃性能預(yù)壓試驗(yàn) ......................................................................................... 33 掛籃拼裝 ......................................................................................................... 33 掛籃懸臂施工 ........................................................................................................... 35 掛籃懸臂澆筑施工工藝流程 ......................................................................... 35 掛籃行走 ......................................................................................................... 36 鋼筋及預(yù)應(yīng)力管道安裝 ................................................................................. 37 混凝土澆筑 ..................................................................................................... 38 邊跨現(xiàn)澆段施工 ....................................................................................................... 41 邊跨現(xiàn)澆段施工工藝流程 ............................................................................. 41 邊跨現(xiàn)澆段支架布置及安裝 ......................................................................... 42 直線段支架預(yù)壓 ............................................................................................. 43 現(xiàn)澆段施工 ..................................................................................................... 44 合龍段施工 ............................................................................................................... 44 合龍段施工工藝流程 ..................................................................................... 44 合龍段施工順序 ....