【正文】 ...........................................................................................................16 托架搭設(shè) ........................................................................................................16 支座墊石及臨時支墩 ....................................................................................16 支座安裝 ........................................................................................................17 模板鋪設(shè) ........................................................................................................17 平臺試壓 ........................................................................................................17 底腹板、橫隔板鋼筋、預(yù)應(yīng)力管道 ...............................................................17 安裝內(nèi)模 ........................................................................................................18 綁扎頂板鋼筋及預(yù)應(yīng)力管道 ........................................................................18 澆筑混凝土 ....................................................................................................18 混凝土養(yǎng)護及管道清理 ..............................................................................18 預(yù)應(yīng)力張拉、壓漿 ........................................................................................18 箱梁1～10懸澆段施工 ...........................................................................................18 概況 .......................................................................................................................18 掛籃設(shè)計 ...............................................................................................................19 掛籃設(shè)計方案 ................................................................................................19 掛籃安裝 ........................................................................................................19 掛籃試驗 ........................................................................................................19 掛籃走行 ........................................................................................................19 掛籃鎖定 ........................................................................................................19 掛籃施工過程控制 ........................................................................................20 懸澆段施工 ...........................................................................................................20 邊跨現(xiàn)澆段施工 ...................................................................................................22 合攏段施工 ...........................................................................................................23 邊跨合攏段施工 ............................................................................................232 / 38 拆除主墩頂臨時固結(jié)支座 ............................................................................23 中跨合攏段混凝土臨時鎖定 ........................................................................23 掛籃移位和模板、鋼筋安裝 ..........................................................................24 合攏段混凝土灌注前的準(zhǔn)備工作 ................................................................24 合攏段混凝土的灌注及養(yǎng)護 ........................................................................24 張拉 ................................................................................................................24 體系轉(zhuǎn)換 ........................................................................................................24 預(yù)應(yīng)力施工 ...........................................................................................................25 預(yù)應(yīng)力張拉準(zhǔn)備工作 ....................................................................................25 預(yù)應(yīng)力鋼絞線制作 ........................................................................................27 張拉預(yù)應(yīng)力鋼絞線 ........................................................................................28質(zhì)量保證措施 ..................................................................................................................33 .................................................................................................33: ................................................................................................35安全保證措施 ..................................................................................................................36 .....................................................................................................................36 .....................................................................................................36 .............................................................................................................37 .........................................................................................3防火安全 ...................................................................................................41主要施工機械設(shè)備配備 ..................................................................................................41 .............................................................................4試驗及檢驗儀器配置 ...............................................................................42文 明 施 工 、環(huán) 境 保 護 等 措 施 ............................................................................................43 .................................................................43 .......................................................................................................43 ...............................................................................................4減少對站區(qū)環(huán)境的干擾措施 ....................................................44 .......................................................................................................44受力驗算 ..........................................................................................................................46 0塊托架受力驗算 .....................................................................................................46 ........