【正文】 .................................................................................. 16 圍堰及基底施工 .......................................................................... 17 模板施工 ...................................................................................... 19 2 鋼筋施工 ...................................................................................... 20 承臺大體積混凝土澆筑 ............................................................... 20 橋墩施工 ............................................................................................... 25 施工流程 ...................................................................................... 25 施工要點 ...................................................................................... 26 橋臺施工 ............................................................................................... 26 蓋梁施工 ............................................................................................... 27 施工工序 ...................................................................................... 27 支架布置 ...................................................................................... 28 模板安裝 ...................................................................................... 30 鋼筋施工 ...................................................................................... 32 混凝土施工 .................................................................................. 34 預應力張拉及孔道壓漿 ............................................................... 34 盆式橡膠支座安裝 ............................................................................... 35 簡介 .............................................................................................. 35 支座安裝步驟 .............................................................................. 35 安裝注意事項 .............................................................................. 35 第四章 主橋上部結構施工方案 ..................................................................... 37 施工程序 ............................................................................................... 37 施工流程 ............................................................................................... 38 0 號塊施工 ............................................................................................ 39 支架設計 ...................................................................................... 39 0 號梁段模板 ............................................................................... 40 3 墩頂處理 ...................................................................................... 42 0 號塊施工 ................................................................................... 43 節(jié)段懸臂澆筑 ....................................................................................... 45 掛籃系統(tǒng) ...................................................................................... 46 掛籃拼裝 ...................................................................................... 49 掛籃預壓試驗 .............................................................................. 50 掛籃行走 ...................................................................................... 50 懸臂澆筑工序 .............................................................................. 51 三角形掛籃特點 .......................................................................... 51 鋼筋安裝 ...................................................................................... 52 預應力管道 .................................................................................. 53 混凝土澆筑 .................................................................................. 54 邊跨直線段施工 ................................................................................... 55 地基處理及支架布置 .................................................................. 55 模板施工 ..................................................................................... 56 鋼筋及預應力管道施工 .............................................................. 56 混凝土施工和養(yǎng)護 ...................................................................... 57 合攏段施工及體系轉(zhuǎn)換 ........................................................................ 57 合攏順序 ...................................................................................... 57 邊跨合攏段施工 .......................................................................... 58 中跨合攏段施工 .......................................................................... 59 合攏段混凝土澆筑前的準備工作 ............................................... 59 合攏段混凝土澆筑及養(yǎng)護 ........................................................... 60 4 預應力張拉 ........................................................................................... 60 孔道壓漿 ............................................................................................... 62 撓度控制 ............................................................................................... 63 掛籃的施工控制 .......................................................................... 63 懸臂澆筑施工的撓度控制 ........................................................... 64 第五章 引橋上部結構施工方案 ..................................................................... 66 板梁預制 ............................................................................................... 66 板梁安裝 ............................................................................................... 70 第六章 質(zhì)量保證措施 .................................................................................... 72 組織措施 ............................................................................................... 72 建立質(zhì)量管理的三級監(jiān)督組織體系 ........................................... 72 建立三級質(zhì)保體系人員及責任的落實細則 ................................ 72 技術保證措施 ....................................................................................... 76 測量控制的措施 ...............................................................