【正文】 .................................... 28 貝雷桁架掛籃的設(shè)計及加工 ......................................................................... 28 掛籃性能預(yù)壓試驗 ......................................................................................... 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 ............................................................................................. 44 合龍段吊架 ..................................................................................................... 44 合龍段施工配重 ............................................................................................. 44 合龍段臨 時鎖定措施 ..................................................................................... 44 合龍段混凝土澆筑前的準(zhǔn)備工作 ................................................................. 47 合龍段混凝土的澆筑及養(yǎng)護(hù) ......................................................................... 48 注意事 項 ......................................................................................................... 48 體系轉(zhuǎn)換 ......................................................................................................... 49 連續(xù)梁鋼筋施工 ....................................................................................................... 50 （ 40+64+40） m 連續(xù)梁施工方案 III 工藝流程 ......................................................................................................... 50 質(zhì)量控制要點 ................................................................................................. 50 質(zhì)量控制程序 ................................................................................................. 54 鋼筋及預(yù)應(yīng)力管道安裝 ................................................................................. 54 預(yù)應(yīng)力施工 ............................................................................................................... 56 預(yù)應(yīng)力體系 ..................................................................................................... 56 伸長值的計算 ................................................................................................. 57 張拉前的準(zhǔn)備工作 ......................................................................................... 57 縱向預(yù)應(yīng)力體系施工 ..................................................................................... 58 橫向預(yù)應(yīng)力體系施工 ..................................................................................... 61 豎向預(yù)應(yīng)力體系施工 ..................................................................................... 63 管道壓漿 ......................................................................................................... 64 封錨 ................................................................................................................. 66 混凝土施工 ............................................................................................................... 66 工程概況 ......................................................................................................... 66 混凝土供應(yīng)方案 ............................................................................................. 66 混凝土施工前準(zhǔn)備 ......................................................................................... 67 混凝土拌和、運(yùn)輸及輸送 ............................................................................. 69 混凝土澆筑方法 ............................................................................................. 70 混凝土養(yǎng)護(hù) ..................................................................................................... 72 線型控制方案 ........................................................................................................... 72 線型控制基本原理 ......................................................................................... 72 預(yù)拱度計算 ..................................................................................................... 73 節(jié)段前緣施工標(biāo)高確定 ................................................................................. 73 現(xiàn)場施工控制 ................................................................................................. 74 橋面附屬工程施工工藝 ......................................................................................... 75 防護(hù)墻、電纜槽施工 ................................................................................... 75 防水層施工 ................................................................................................... 77 接觸網(wǎng)支柱基礎(chǔ)及下錨拉線基礎(chǔ) ............................................................... 77 人行道欄桿 ................................................................................................... 77