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1、钱塘江四桥（复兴大桥）11#、12#端横梁、拱脚、系梁拱脚段施工技术交底杭州钱江四桥（复兴大桥）二合同段11#、12#大墩端横梁、拱脚、钢系梁拱脚段施工技术交底起草人：起草日期：审批人：审批日期：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钱塘江四桥（复兴大桥）11#、12#端横梁、拱脚、系梁拱脚段施工技术交底交通部第二公路工程局杭州钱江四桥工程技术部编制说明一、编制依据1、《杭州市钱江四桥（复兴大桥）》（第三册）2、《杭州市钱江四桥（复兴大桥）》（第四册）2、《公路桥涵施工技术规范（JTJ041—2000）》3、招标技术文件4、相应的设计变更联系单二、编制目录1、概况2、支架搭设及分配梁施工3、支座的安装4、底模板施工5、劲性骨架及拱脚段主拱肋、拱脚段系梁钢骨架的安装6
6、、钢筋的安装7、侧模板的安装8、预埋件的设置9、砼的浇注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
