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1、錢塘江四橋（復(fù)興大橋）11#、12#端橫梁、拱腳、系梁拱腳段施工技術(shù)交底杭州錢江四橋（復(fù)興大橋）二合同段11#、12#大墩端橫梁、拱腳、鋼系梁拱腳段施工技術(shù)交底起草人：起草日期：審批人：審批日期：shallnotexceedthelevelofstatorcore,orarcskateboards,protectionofstatorplaterollovermayoccur),reasonabletogenerallyshouldbecentralized.Avoidlayoutvulnerabletomec
2、hanicaldamage,damp,vulnerabletocorrosionandvibration,ensureasfaraspossiblewiththeplatformstairs,liftingdevices,coverplates,electricalenclosuresandotherintervalsatarm'slength.Pipingsupportandhangersetweightoftheweightanditsinsulationshallmeetreasonablepipingd
3、isplacement,increasesystemstability,preventionofpipelinevibrationdisplacementinoperation.Processpipingsupportandhangerspacingareshownintable1.Processpipinginthedrainpipemusthaveacertainslope(about0.002-0.004)todrain.Enterthepipeshouldbesmoothflowtothelateral
4、,intakemanifoldintotheexpansiontankshouldbeconsideredorder,lowpressureorhighpressuredropneartheexpansiontankinlet.Pipedeflectionandexpansionmustbeconsideredtheabsorptionproblem,considerthenaturaldirectionofthepipelineusingthesmallpipetoachievethermalexpansio
5、ncompensationand,ifnecessary,consider9錢塘江四橋（復(fù)興大橋）11#、12#端橫梁、拱腳、系梁拱腳段施工技術(shù)交底交通部第二公路工程局杭州錢江四橋工程技術(shù)部編制說明一、編制依據(jù)1、《杭州市錢江四橋（復(fù)興大橋）》（第三冊）2、《杭州市錢江四橋（復(fù)興大橋）》（第四冊）2、《公路橋涵施工技術(shù)規(guī)范（JTJ041—2000）》3、招標(biāo)技術(shù)文件4、相應(yīng)的設(shè)計(jì)變更聯(lián)系單二、編制目錄1、概況2、支架搭設(shè)及分配梁施工3、支座的安裝4、底模板施工5、勁性骨架及拱腳段主拱肋、拱腳段系梁鋼骨架的安裝6
6、、鋼筋的安裝7、側(cè)模板的安裝8、預(yù)埋件的設(shè)置9、砼的澆注shallnotexceedthelevelofstatorcore,orarcskateboards,protectionofstatorplaterollovermayoccur),reasonabletogenerallyshouldbecentralized.Avoidlayoutvulnerabletomechanicaldamage,damp,vulnerabletocorrosionandvibration,ensureasfarasposs
7、iblewiththeplatformstairs,liftingdevices,coverplates,electricalenclosuresandotherintervalsatarm'slength.Pipingsupportandhangersetweightoftheweightanditsinsulationshallmeetreasonablepipingdisplacement,increasesystemstability,preventionofpipelinevibrationdispl
8、acementinoperation.Processpipingsupportandhangerspacingareshownintable1.Processpipinginthedrainpipemusthaveacertainslope(about0.002-0.004)todrain.Enterthepipeshouldbesmoothflowtothelateral,intak
