施工电梯土建关键技术交底

<^CMIICN°EntreprisedudocumentContractordoc.N°CMIIC-MS-17-Rev.0APage1of11METHODSTATEMENTFORConcreteWorksofConstructionElevatorFoundationX PROJETKONIAMBOKONIAMBOPROJECTKONfAMBOHg■电山电•甲RequisitionNumber:319000-00300-CN-C003-001Commentgiveninthisdocumentdoesnotrelievevendorofhis/herresponsibilityforthecorrectengineeringdesignandfabrication.Thisequipmentorproductshallbemadeasperthecodes,requisition,PurchaseOrderNumber:C003Equipment/ItemTag:Equipment/ItemDescription:MET-PLANTWORKSKNSProjectsDocumentNumber:319000-00300-MS-C003-DocumentCategory:0A05-Nov-2010D.L.LIE.J.CHENIFR

RevDateDD-MMM-YYYYWrittenBy(name)CheckBy(name)ApprovedBy(name)StatusRevisionHistoryRev・No.RevisionDateRevisionDetailDOCUMENTNO.319000-00300-MS-C003-10002REV.0APAGE2OF14Area300-metallurgicalplantMS-FurnaceStructure-smelterline1-3M102EL.29mTableofContents3概述General3参考资料ReferenceTOC\o"1-5"\h\z工作范围ScopeofWork 3施工工序流程及关键控制点ConstructionProcessFlow&CriticalControlPoints 4施工前期准备工作ThePreparedWorks 5砼浇注ConcretePouring 117质量控制QC 128附件Attachment 13PROJETKONIAMBO

l'UsineduNordNouvelle-CalQdonieDOCUMENTNO.319000-00300-MS-C003-10002REV.0APAGE3OF14Area300-metallurgicalplantMS-FurnaceStructure-smelterline1-3M102EL.29m1概述General施工电梯基础共两个，1#线、2#线各一个。基础由底板和墙壁组成，每个基础材料清单如下：Therearetwoconstructionelevatorfoundations.SmelterLine1#,2#eachone.FoundationfromtheRaftandwalls,eachofthefoundationmateriallistsisasfollows:土方Excavation：28m 工作范围ScopeofWork依据附件提供的图纸和规范，安排施工电梯基础的钢筋、模板和螺栓以及混凝土浇筑和养护工作所需人员、设备、材料和耗材，该工作应依据已认可的进度计划完成。Supplyalllabors,equipment,materialandconsumablestoplacere-bar,formwork,anchorbolts,pourandcuringtheconstructionelevatorfoundationasperattacheddrawingsandspecifications.Worktobecompletedaunitratebasisandasagreedtoschedule.垫层ConcretegradeC20/25：16.5m 参考资料ReferencePK提供的图纸DrawingsuppliedbyPK砼供应规范文件编号：319000-00000-SP-1700-0001ConcreteSupply：319000-00000-SP-1700-0001砼浇筑规范文件编号：319000-00000-SP-1700-0002Cast-in-placeConcrete：319000-00000-SP-1700-0002现浇混凝土 参考资料ReferencePK提供的图纸DrawingsuppliedbyPK砼供应规范文件编号：319000-00000-SP-1700-0001ConcreteSupply：319000-00000-SP-1700-0001砼浇筑规范文件编号：319000-00000-SP-1700-0002Cast-in-placeConcrete：319000-00000-SP-1700-0002预埋螺栓Anchorbolt：4-A2.F1.24.150DOCUMENTNO.319000-00300-MS-C003-10002REV.0APAGE4OF14Area300-metallurgicalplantMS-FurnaceStructure-smelterline1-3M102EL.29m施工工序流程及关键控制点ConstructionProcessFlow&CriticalControlPoints施工工序流程详见附图AttachedisTheConstructionProcessFlowDiagram4.2关键控制点Criticalcontrolpoints:No.名称Description/Item内容ContentRemarks1接收基础材料和制品Acceptaneeofbasematerialsandproducts砼：相关报告现场测试Concrete:Suitabilitytestsoftheconcretes,slump,temperature,density钢筋：产地、批号、证书、尺寸、等级、种类和实验报告Rebar:sourcefactory,lotidentification,certification,dimensions,grade,category,fabricationtests2钢筋绑扎Reinforcementbinding保护层、配筋Cover,form3模板安装FormworkInstallation支撑、缝隙Support,Gap4浇注前隐蔽验收CastApplication钢筋数量、钢筋配筋、保护层厚度、模板清洁Quantityandformforrebar,coverthickness,cleanlinessofthesurfaces5砼浇注Concreting振捣情况、试块取样Vibration,Sampling6砼养护CuringDOCUMENTNO.319000-00300-MS-C003-10002REV.0APAGE5OF14Area300-metallurgicalplantMS-FurnaceStructure-smelterline1-3M102EL.29m7试验Test抗压强度CompressiveStress施工前期准备工作ThePreparedWorks技术准备Technicalpreparations认真看懂施工图纸，深刻领会设计意图，熟悉各工序施工要点，按合同等文件的要求及时编制专业施工方案、质量目标计划及保证措施。Constructiondrawingsmustbestudiedcarefullyinordertothoroughlyunderstandthedesign;essentialpointsofeachconstructionproceduresmustbefamiliarlylearned,anddisciplinemethodstatements,qualitycontroltargetsandassurancemeasuresshouldbecomposedbasedontherequirementsoftechnicaldocuments.认真学习有关的施工规范、规程及标准，严格执行合同条文，保证工程施工安全及质量。Constructionspecifications,regulations,andstandardsmustbeseriouslystudied;contractarticlesmustbestrictlyfollowedtoensureconstructionsafetyaswellasconstructionsafety.通过看图，与施工规范、规程和标准相结合，认真做好技术交底工作，使图纸与施工的问题解决在施工之前，以利于施工能连续顺利地进行。Combiningwithconstructionspecifications,regulationsandstandards,thedrawingsshouldbewell-understoodandtechnicalclarificationmustbemadetosolveanypossibleproblemsbetweenthedrawingsandconstructionpriortoactualconstruction,andtoensurethecontinuityofconstructionwork.材料及主要机具Materials&MainTools：5.2.1钢筋和混凝土Concreteandre-bar本工程钢筋和混凝土由业主提供。Concreteandre-barinthisprojectwillbesuppliedbyowner.PROJETKONIAMBOl'UsineduNordNouvelle-CalQdonieDOCUMENTNO.319000-00300-MS-C003-10002REV.0APAGE6OF14Area300-metallurgicalplantMS-FurnaceStructure-smelterline1-3M102EL.29mOthermaterialsandmainTools:主要机具：见附表钢筋绑扎RebarBinding钢筋的表面应洁净、无污伤、油渍和铁锈等应在使用前清除干净。带有颗粒状或片状老锈的钢筋不得使用。Therebarsurfaceshouldbeclean,freeofstain,damage,oilspotorrust,rebarwithgranularorflakyrustcannotbeused.底板钢筋的弯钩：下排均朝上，上排均朝下。Hookofslabrebar:downwardfortopones,upwardforthebeneath.钢筋网的绑扎：所有钢筋交错点均绑扎，且必须牢固。同一水平直线上相邻绑扣呈“八”字型，朝向混凝土体内部，同一直线上相邻绑扣露头部分朝向正反交错。Rebarmeshing:alltherebarcrossingswillbefirmlystrapped.theadjacentknotsinthesamelevellinewillbestrappedinshapeofahillagainsttheconcretebody.下层钢筋绑扎完毕后进行专业管线、铁件、预留洞口的安装，安装完毕后开始绑扎上排筋。Theinstallationworksofpiping,steelfitting,openingwillbeconductedafterstrappingthebeneathrebaroffoundationslab,finallystartstrapping.下层钢筋绑扎完毕后，按1m左右的距离摆放钢筋马凳或钢筋支架。Aftercompletionofrebarinstallation,splitheadsandsupportsshallbeplacedwithaspaceof1meterfromeachother.钢筋筋绑扎前，先弹底层筋位线、预留孔线，待下层钢筋完成申报自检通过后，绑扎上层筋。

PROJETKONIAMBOl'UsineduNordNouvelle-CalQdoniePROJETKONIAMBOl'UsineduNordNouvelle-CalQdonieDOCUMENTNO.319000-00300-MS-C003-10002REV.0APAGE7OF14Area300-metallurgicalplantMS-FurnaceStructure-smelterline1-3M102EL.29mPositionlinesofbottomrebarandopeningswillbemarkedbeforerebarbinding,andupperrebarbindingcanbestartedwhenthebottomfinishedandpasttheself-inspection.钢筋网片和骨架绑扎缺扣、松扣数量不超过绑扣数的10％，且不应集中。Thequantityofmissingbuckleandloosenbuckleonrebarmeshandformshallneitherbeover10%ofallbucklesnorgatheringtogethersomewhere.钢筋的连接可采用搭接，搭接钢筋接头数量不超过50%,并错开间距大于500mm。overlappingconnectioncouldbeapplied,butconnectingjointsaccountformax50%,staggeringspaceover500mm.垫块制作：用与保护层厚度相同高的木条在竹模板上圈边作为模板，用1：2水泥砂浆制作，垫块要表面抹平，厚度一致，切割成50X50mm大小的垫块。Cushionblocking:formworkswillbemadebycirclingwoodbattensonbambooboard,theheightofbattenisthesamewiththethicknessofprotectivelayer,1:2cementmotarwillbepoured,surfaceleveleduniformlybytrowelandthencutintocushionblocksofsizing50mmx50mm.7模板Formwork7.1模板：采用整拼15mm厚复合板或钢模板，竖向内层龙骨为50X100方木间隔500设置，外层采用中48钢管加固。Formwork:15mmthickcompositeboardorsteelformwork,50mmx100mmrectangulartimberarrangedevery500mmforIongitudinalinternalkeelboard,中48steelpipereinforcedexternally.PROJETKONIAMBO

l'UsineduNordNouvelle-CalQdonieDOCUMENTNO.319000-00300-MS-C003-10002REV.0APAGE8OF14Area300-metallurgicalplantMS-FurnaceStructure-smelterline1-3M102EL.29m模板接缝不应漏浆，模板与混凝土接触表面清理干净并涂隔离剂，严禁隔离剂沾污钢筋与混凝土接槎处。Concreteleakageisnotallowedonformworkjoints.theinterfacesbetweenformworkandconcreteshallbecleanedandbrushedwithseparantwhileseparantcontaminationtointerfacesbetweenrebarandconcreteisforbidden.拆除模板时要注意保护混凝土表面，并且不要使其表面遗留缺陷。如果有任何表面损伤或者缺陷，要进行修复。Formworkshallberemovedcarefullytoavoiddamagingtheconcretesurfaceandanydefectsintheconcretesurfaceafterstrikingshallberecorded.Anydamageordefectscausedshallberepaired.模板每次拆除以后，必须进行清理油污、收集卡扣、涂刷脱模剂，分类堆放。Aftereachformworkdismantling,remove,paintingreleaseagentandlayingdowninclassificationshallbeperformed.8砼浇注ConcretePouring砼到现场时司机应出具运输单据，单据上面应包括合同号、名称及地点、序列号、日期、车号、砼标号、水泥种类、水泥含量、水灰比、骨料来源、骨料最大粒径、粗细骨料重量、添加剂种类名称含量、砼试块数量、砼出厂温度等。Astheconcreteistransportedtothesite,thedrivershallsupplythetransportbillwhichcontainstheContractnumber,Nameandlocationofbatchplant,Serialnumberforticket,Date,Platenumber(orID)ofdeliverytruck,Mixidentificationandconcretedesignstrength,Typeofcement,Cementcontent,Water/cementratio,Sourceofaggregate,Maximumsizeofaggregate,Weightoffineandcoarseaggregates,Type,nameandamountofadmixtures,Quantityofconcreteinmetres,Timeloaded,Temperatureofconcreteattimeofloadingetc.

PROJETKONIAMBO

l'UsineduNordNouvelle-CalQdonieDOCUMENTNO.319000-00300-MS-C003-10002REV.0APAGE9OF14Area300-metallurgicalplantMS-FurnaceStructure-smelterline1-3M102EL.29m混凝土运输：采用混凝土搅拌罐车运送至现场，具体罐车配备数量，要求满足现场混凝土浇筑速度，并保证现场不压车。现场混凝土浇筑是采用混凝土输送泵。Concretetransportation:concretewillbetransportedintositebyconcretetrucks,andspecificquantityofconcretetruckisrequiredtomeetconcretepouringspeedinsite,andtheconcreteispouredbyconcretepump.混凝土浇筑前，根据测设的标高点打混凝土控制点，浇筑时用平板振捣密实，大杠刮平，木抹子搓平，铁抹子压平赶光。测量放线人员要随时检查标高情况，确保标高符合设计要求。Concretepierwillbepouredaccordingtosurveyedelevationbeforeformalconcretepouring.itshallbevibratingtampered,spreadbyharrow,leveledbywoodtrowelandfinishedbysteeltrowel.theelevationwillbecheckedandinspectedbysurveyorsatanytimetoassuredesignrequirementsaremet.在浇捣砼前，对模板内的杂物和钢筋上的油污等应清理干净；对模板的缝隙和孔洞应予堵严；模板应浇水湿润，但不得有积水。浇注过程中要经常检查保护层垫块是否脱落和损坏。Priortoconcreting,debrisinsidetheformworkandgreaseontherebarshallbecleared;spacesbetweentheformworkandholeshereinshallbeblocked.Andformworkshallbemoistenedbywaterbutwithoutanydropsy.Duringconcreting,protectivelinershallbeinspectedtocheckwhetheritisdestroyedorfallen.随时解决坍落度过大或过小问题，现场决不允许随便加水，如发现坍落度不适合时，应及时和搅拌站联系后进行调整，必要时要做退货处理。Slumpconstantdeviationshallbeadjustedatanytime,anditisprohibitedtoaddwateratsitewithoutanyjustreason.Wheretheslumpvalueisnotsuitable,adjustmentforwhichshallbeavailablebeforecontactingwiththemixerstation,andgoodsreturnmaybetakenatasuitabletime.

PROJETKONIAMBOl'UsineduNordNouvelle-CalQdoniePROJETKONIAMBOl'UsineduNordNouvelle-CalQdonieDOCUMENTNO.319000-00300-MS-C003-10002REV.0APAGE10OF14Area300-metallurgicalplantMS-FurnaceStructure-smelterline1-3M102EL.29m累积的混凝土应限于加固钢筋上表面的0.5米。Theaccumulationofconcreteshallbelimitedto0.50mabovetheupperlevelofreinforcement.振捣棒与混凝土表面振捣时棒要快插慢拔，振捣过程中棒要略微上下抽动，每点振捣应视混凝土表面呈水平不再显著下沉、不再出现气泡、表面泛出灰浆为准，时间约20〜30秒。振捣棒插棒间距500—600mm,振捣必须密实，不得漏振、超振。混凝土终凝前进行二次抹面。Thevibratingrodwillbeinsertedquicklyanddrawnslowlywhilevibratingtheconcretesurface,andslightlypulledupanddowninthewholeprocess.vibratingtime20-30sforeachpoint,spacing500-600mm,theconcretemustbedenseandsolidwhilevibrating,anymissingvibrationandovervibrationtobeavoided,surfacefinishingatthesecondtimewillbecarriedoutbeforefinalcondensing.混凝土浇筑时采用分层自然流淌连续浇筑法，从一头浇筑严格控制浇筑间隙，间隙时间不大于2.5小时(初凝时间6〜8小时)。Concretewillbepouredcontinuouslylayerbylayer,flownspontaneouslyfromoneinitialplace,thetimingintervalsnomorethan2.5hours(initialcondensing6-8hours).砼自由落体的高度不得超过1.2米，浇筑高度大于1.2m采用软式串筒进行浇筑，下料点应分散布置。混凝土浇筑时必须注意，混凝土管出口不得正对模板，防止出现粘模现象。Thefreefallheightoftheconcreteshallnotexceed1.2m;softtypetumblingbarrelwillbeusedifpouringheightover1.2meters,andpouringspotsshouldbespreadaround.Whenpouring,theoutletholeofpipeshallnotfacetheformworkdirectly,forstrippingeasily.预埋件处的浇筑，防止碰撞，以免使螺栓、预埋件位置偏差。预埋件的丝扣部分预先涂好黄油，用塑料布包好，防止在浇筑过程中沾上水泥浆或碰坏。

PROJETKONIAMBO

l'UsineduNord

Nouvelle-CalQdonieDOCUMENTNO.319000-00300-MS-C003-10002REV.0APAGE11OF14Area300-metallurgicalplantMS-FurnaceStructure-smelterline1-3M102EL.29mConcretingatembeddedpartsshallbekeptfromcrashtoavoidplacedeviationsofboltsandthepartssaidabove.Screwthreadofembeddedpartsshallbepaintedbybutterinadvanceandbecoatedwithplastic,protectingforminfectedcementgroutordamageduringconcreting.砼混凝土ConcreteWorkingFlow工艺流程Preparation—inspection—conveying—pouring&vibrating—curing作业准备f混凝土检查f混凝土输送f混凝土浇筑与振捣f养护Preparation作业准备Cleanthemouldplatesandrebars;checkthecementpadsontherebars.浇筑前应将模板内的垃圾、泥土等杂物及钢筋上的油污、锈迹清除干净，并检查钢筋的水泥砂浆垫块是否垫好。Inspectionfortheconcrete混凝土检查Themixingratio,grade&thequantityoftheconcretemustconformtothedrawings&specifications.混凝土配合比、标号、数量等必须符合图纸及设计要求。Thecontentsoftheconcretemaybedisintegratedduringtransportation,sothesecondmixingisimperativebeforepouring.混凝土运到施工现场有离析现象时，必须在浇筑前进行二次拌合。TransportationoftheConcretetrucks混凝土输送采用泵车Arrangementoftheconcretepumps（trucks）混凝土泵（泵车）布置TheconcretepumptruckandtheModuleshouldbeascloseaspossibletomeetthefeedingandtransferringdemandsoftheconcreteworks.混凝土泵（泵车）尽可能的靠近3M101模块，并能够满足混凝土搅拌运输车的供料与调车。Keepthecontinuousworkoftheconcretepump.Whenbreakdownhappens,thesuspendtimeisover45minutesortheconcreteisdisintegrated,cleantheresidulesinsidethepipeswithcompressivewaterorotherusefulmethodsimmediately.泵送混凝土必须保证混凝土泵（泵车）连续工作，如果发生故障，停歇时间超过45min或混凝土出现离析现象，应立即用压力水或其他方法冲洗管内残留的混凝土。Aftercompletingoftheconcretework,cleanthepumpsandthepipeswithwater,whichistransportedtothesitebymixingtrucksanddrainedtothenearbyseweragepipes.

PROJETKONIAMBOl'UsineduNordNouvelle-CalQdonieDOCUMENTNO.319000-00300-MS-C003-10002REV.0APAGE12OF14Area300-metallurgicalplantMS-FurnaceStructure-smelterline1-3M102EL.29m混凝土浇筑完毕后，混凝土泵（泵车）及输送管道要用水冲洗，冲洗用的水用混凝土搅拌运输车运到现场，污水接管道排到就近的排水沟中。6.5Pouring&VibrationoftheConcrete混凝土浇筑与振捣Usethecatch-uppouringmethodontheconcretework,i.e.fromonesidetotheothercontinuouslya