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HGU管沟施工方案版次：A1目录1、编制依据.....................................................11、COMPILATIONBASIS............................................12、工程概况.....................................................12、GENERAL......................................................13、施工准备.....................................................23.CONSTRUCTIONPREPARATION.......................................24、施工计划部署.................................................44.CONSTRUCTIONPLANARRANGEMENT..................................45、施工缝划分...................................................95.DIVISIONOFCONSTRUCTIONJOINTS................................96、垫层及替代砼的浇筑..........................................106.PLACINGOFBEDDINGCONCRETEANDCONSTITUTECONCRETE............107、脚手架工程..................................................107、SCAFFOLDWORK.................................................108、模板工程......................................................148.1模板情况介绍..........................................................14HGU管沟施工方案版次：A28.1INTRODUCTIONOFFORMWORK..................................................148.2廊道模板制作要求......................................................148.2REQUIREMENTFORPIPEWAYFORMWORKMANUFACTURING................................148.3模板安装..............................................................158.4模板拆除..............................................................168.4STRIPPINGOFFORMWORK....................................................169.钢筋工程......................................................169.1钢筋材质及制作........................................................169.1REINFORCEMENTMATERIALANDFABRICATION.......................................169.2钢筋保护层...........................................................179.2COVEROFREINFORCEMENT....................................................179.3钢筋连接.............................................................179.3REINFORCEMENTCONNECTION..................................................179.4钢筋的防污染保护......................................................189.4CONTAMINATIONPROOFOFREINFORCEMENT........................................1810、混凝土工程..................................................1811、质量保证.....................................................2412、安全文明施工措施.............................................2513、计算书.......................................................26HGU管沟施工方案版次：A1HGU管沟施工方案ConstructionMethodsStatementOnHGO1、编制依据1.CompilationBasis台山核电站一期常规岛土建工程施工合同CivilWorkContractofTaishanNuclearPowerStationConventionalIsland(Phase1);欧标技术规格书（B版）EuropeanStandardTechnicalSpecification(EditionB)HGU管沟施工图纸ConstructionDrawingsofHGUPipeway台山核电站一期常规岛土建工程现场施工情况CivilWorkOn-siteConstructionConditionofTaishanNuclearPowerStationConventionalIsland(Phase1)2、工程概况2.General台山核电站一期工程HGU管沟是连接循环水虹吸井（HCA）与重要厂用水泵房（HPA/C）专设的重要冷却水管沟。采用核岛反应堆坐标系（坐标以1980西安坐标系为准），反应堆厂房标高±0.00相对于8.7m(国家85高程系)，所有标高都以反应堆厂房的相对标高为准；HGU管沟外截面大部分为3.5m×3.5m，内孔大部分截面为2.5m×2.5m的方孔，侧壁及底板、顶板均为500mm厚的现浇钢筋混凝土结构；结构需进行找坡，找坡坡度分别为0.3%、0.34%与0.38%。HGU管沟替代砼及垫层采用C25砼，主体结构采用欧标C35/45砼；管沟共计10段(060～069段)。InTaishanNuclearPowerStationproject(Phase1),HGUisessentialcoolingwaterpipewaywhichisdedicatedtolinktherecycledwatersiphonwell(HCA)andessentialservicepumpstation(HPA/C).CoordinatesystemofNuclearIslandreactorisapplied(XIANCoordinateSystem1980).Level±0.00ofreactorbuildingcorrespondsto8.7mofNationalElevationDatum1985.Alllevelsrelatetothereferencelevelofreactorbuilding.TheoutsidesectionofHGUislargelysquareholeof3.5m×3.5mandinsidesectionislargelysquareholeof2.5m×HGU管沟施工方案版次：A22.5m.Thesidewall,baseslabandtopslabofthepipewayarereinforcementconcretestructureof500mmthickwhichshallbecastinsitu.Theslopshallbemadeinstructureandtheslopevariesfrom0.3%,0.34%to0.38%.TheC25concreteshallbeappliedtotheHGUPipewayconstituteconcreteandbeddingconcrete,whileENC35/45concreteshallbeappliedtothemainstructure.Thepipewayhas10sectionsintotal(from060to069).3、施工准备3.ConstructionPreparation3.1人员安排：3.1PersonnelPreparation队长：罗泽军；全面负责HGU管沟的施工管理与现场协调工作。TeamLeader:LuoZejun,responsibleforcomprehensiveconstructionmanagementandsitecoordinationofHGUpipeway.钢筋工长：彭广理；负责HGU管沟钢筋的绑扎与验收工作。ReinforcementForeman:PengGuangli,responsibleforthereinforcementfixingandacceptanceofitinHGUpipeway.木工工长：周贵伟；负责HGU管沟模板的支护与验收工作。CarpentryForeman:ZhouGuiwei,responsibleforformworkinstallationandacceptanceofitinHGUpipeway.混凝土工长：黄建根；负责HGU管沟模板的支护与验收工作。ConcreteForeman:HuangJian’gen,responsibleformworkinstallationandacceptanceofitinHGUpipeway.技术员：刘志强；负责HGU管沟施工过程中技术问题及技术交底工作。Technician:LiuZhiqiang,responsibletoresolvetechnicaldifficultiesandtechnicalannotationduringHGUpipewayconstruction.QC1:张严光；负责HGU管沟施工过程中的质量监督、检查工作。QC1:ZhangYan’guang,responsibleforqualitysupervisionandinspectionduringHGUpipewayconstruction.QC2:刘炜；负责HGU管沟施工过程中的W、H点进行复检，对其它工序进行抽检验证等工作。QC2:LiuWei,responsibleforrecheckofpointWandHandsamplinginspectionofotherHGU管沟施工方案版次：A3process.安全员：李永全；负责HGU管沟施工过程中安全监督、检查和文明施工管理工作。SafetyOfficer:LiYongquan,responsibleforsafetysupervision&inspectionandcivilizedconstructionmanagement.测量员：2名；负责HGU管沟施工过程中测量放线工作。2Surv