【正文】 ............................................................................34 支架預(yù)壓方案 ..............................................................................................................................37 支架預(yù)壓的目的 .........................................................................................................................37 預(yù)壓方法 ...................................................................................................................................38 觀測(cè)點(diǎn)布設(shè) ...............................................................................................................................38 預(yù)壓數(shù)據(jù)分析原 則及方法 ...........................................................................................................39 預(yù)壓施工中的安全注意事項(xiàng) ........................................................................................................39 預(yù)拱度設(shè)置 ...............................................................................................................................39 支座安裝 .....................................................................................................................................40 模板安裝質(zhì)量控制 .......................................................................................................................41 模板制作 ...................................................................................................................................41 外、內(nèi)側(cè)模板安裝 .....................................................................................................................41 內(nèi)模制作及拼裝 ........................................................................................................................41 鋼筋綁扎、預(yù)應(yīng)力管道安裝 ..........................................................................................................42 鋼筋施工工藝流程 .....................................................................................................................42 鋼筋加工 ...................................................................................................................................42 鋼筋安裝 ...................................................................................................................................43 預(yù)應(yīng)力管道安裝 .........................................................................................................................43 混凝土澆筑 .................................................................................................................................44 混凝土的拌和與運(yùn)輸 ..................................................................................................................44 混凝土的澆筑 ............................................................................................................................45 混凝土養(yǎng)護(hù) .................................................................................................................................48 張拉、壓漿施工方案 ....................................................................................................................48 鋼絞線下料 ...............................................................................................................................48 鋼絞線編束、標(biāo)識(shí) .....................................................................................................................48 張拉前的準(zhǔn)備 ............................................................................................................................48 預(yù)應(yīng)力張拉 ...............................................................................................................................49 壓漿、封錨施工 .........................................................................................................................51 第五章 質(zhì)量保證措施 ........................................................................................................................52 生產(chǎn)要素的質(zhì)量保證措施 .............................................................................................................52 各部門質(zhì)量責(zé)任 .........................................................................................................................52 人員保證 ...................................................................................................................................53 技術(shù)保證 ...................................................................................................................................53 原材料保證 ...............................................................................................................................53 設(shè)備保證 ...................................................................................................................................53 環(huán)境保證 ...................................................................................................................................53 認(rèn)真貫徹執(zhí)行各項(xiàng)技術(shù)規(guī)范及規(guī)程、制度 ......................................................................................54 原材料進(jìn)場(chǎng)控制 ...........................................................................................................................54 水泥的驗(yàn)收 ...............................................................................................................................54 細(xì)集料的驗(yàn)收 ............................................................................................................................54 粗集料的驗(yàn)收 ............................................................................................................................55 粉煤灰、礦粉的驗(yàn)收 ..................................................................................................................55 鋼筋的驗(yàn)收 ...............................................................................................................................56 混凝土工程施工質(zhì)量保證措施 .........................................................................................