带肋钢筋直螺纹套筒连接工法

带肋钢筋直螺纹套筒连接工法（Straightthreadsleeveconnectionmethodforribbedsteelbar）Theconstructiontechnologydatabasehas"ribbedsteelbarstraightthreadsleeveconnectionmethod"Steelbarribrollingstraightthreadconnectionmethod(YJGF34-2000)ConstructionmechanizationofChinaAcademyofBuildingResearchResearchbranchisdevelopedbyChinaAcademyofBuildingResearchInstituteofmechanizationofconstructionStraightthreadconnectiontechnologyisanewformofstraightthreadconnectiontechnologyforreinforcingsteelbarwithequalstrengthOnethousandninehundredandninety-nineyearTwelvemonthSeventeenTheMinistryofconstructionpassedtheministerialappraisalattheMinistryofconstruction,andtheappraisalcommitteeheldthattheresearchachievementAnewtechnologyhasbeenaddedtotheconnectionofrebarandotherstrengthstraightthreadathomeandabroad,ThetechnologyandthetechnologyarecheckedbytechnologyTheequipmentwaspioneeredbothathomeandabroad,Itstechnicallevelhasreachedtheinternationaladvancedlevel,Greatvalueofpopularizationandapplication.The.ChinaAcademyofBuildingSciencesTwothousandAwardedthefirstprizeofscientificandtechnologicalprogressin2004,andwaslistedas"2000"bytheMinistryofconstructionTheprojectof"popularizationandtransformationofscientificandtechnologicalachievements",whichwasappraisedas"newtechnologyandnewproductionofbuildingengineering"byChinaConstructionAssociationProductproject.First,technicalcharacteristicsOneThejointstrengthreachestheindustrystandardJGJ107-96inAGradejointpropertyCanrequest.TwoTheconnectorhaspassedTwohundredSubfatiguetest,goodfatigueresistance.ThreeThethreadtoothshapeisgood.accuracyHigh,stableandreliableconnectionquality.FourIthasawiderangeofapplications.Suitablefordiameter16-50mmHRB335,HRB400Steelbarsinanydirection.Differentdiameterconnection.FiveTheconstructionspeedisfast.Threadprocessing,makinginadvance,on-siteloadingMatchingoperation.SixMetapollution.Safeandreliableconstruction.SevenSaveenergy.Thepoweroftheequipmentisonly3-4kW.Two,JointperformanceandscopeofapplicationinaccordancewithindustrystandardsGeneraltechnicalspecificationformechanicalconnectionofsteelbars(JGJ107-96)AskforHRB335,HRB400Thetypeinspectionandfatiguetestofthesteelbararecarriedout,andthetestshowsthatthejointisofgoodqualityCanfullyachieveAThefatigueresistanceofthejointisgood,andthejointhasgoodfatigueresistanceAApplicationscopeofgradejointMakeuseof.ThetechniqueisapplicabletothediameterofSixteen~50mmHRB335,HRBSteelbarsinanydirection.differentPathjoin,Itcanbeusednotonlytomakefulluseofthestrengthofsteelbars,butalsotomeettherequirementofhighductilityofjoints,Itcanalsobeappliedtoconcretestructureswithhighfatigueperformance,Suchairport,Bridge,Tunnel、TVtower,Nuclearpowerplant、Hydropowerstations,etc..Three,Processprinciplewillbereinforcedtobeconnectedpartofstrippingribrollingthread,UseconnectionSleeveconnection,Thesteelwireheadandtheconnectingsleeveareconnectedasawhole,Thus,theequalstrengthconnectionisrealizedThe.Four,processandoperationpoints,steelwireprocessing.Processisasfollows.EndfaceofreinforcedbarRibstrippingnightThreadpressingSilkheadqualityinspectionwithcapprotectionWirequalitysamplinginspectionStoreinactivepoints:Endfaceofreinforcedbar.Thepurposeofflatendistomaketheendofthesteelbarperpendiculartotheaxisofthebasematerial,GrindingwheelcuttingmachineorotherspecialcuttingshouldbeadoptedBreakingequipment,Nocutting.Strippingribpressingthreadmethod.UsingrebarstrippingribrollingstraightthreadmachinewillbeconnectedsteelbarTheendismachinedintothread.Qualityinspectionofsilkhead.Thequalityinspectionoftheprocessedsilkheadbytheoperator.HelmetprotectionSupport.Thesteelwireheadisprotectedbyspecialsteelwireheadprotectingcaporconnectingsleeve,PreventthreadfromknockingOrcontaminatedbydirt.Wirequalitysamplinginspection.Samplinginspectionofselfqualifiedsilkhead.Reserve.Accordingtotheclassificationcodespecificationsandtypes.UnscrewthereinforcementcapandplacethesteelbarinplaceSleeveprotectivecoverJointTighteningmarksKeypointsofconstructioninspection:reinforcementlocation.TransfertheinspectedsteelbarstobeconnectedJunction.Jointtightening.Useawrenchorpliersandothertoolswilltightenthejoints.Marking.Yes,ithasbeentightenedThejointismarked,SeparatefromtheUNtightenedjointarea.Constructioninspection.ThequalityofthejointafterconstructionTest.Five,MaterialScienceOneRebarforconnectionshallbeinconformitywith"Reinforcedconcretehotrolledribbedsteelbarsforconcrete"GB1499-1998Requirement。TwoTheconnectingsleeveshallbemadeofhighqualitycarbonstructuralsteelorothertypesofsteeltomeettherequirementsMaterial.Six,machineryCountyequipmentOneRibpeelingandrollingstraightthreadmachine.SteelribstrippingandrollingstraightthreadmachineformachiningSteelwirehead,ConstructionMechanizationResearchBranchofChinaAcademyofBuildingResearchLangfangKaibo(NewTechnologyDevelopmentCompanySecretary)Researchanddevelopmentandproduction.Themechanismisinnovative,Excellentperformance,Highprecisionofformingthread,Longlifeofroller,Fordomesticandforeigninitiative.Theequipmentcombinessteelbarstrippingandthreadrollinginonebody,TwopiecesofworkcanbecompletedwithonecardloadingItmainlyconsistsofthesequence.Strippingmechanism,rollinghead,reducer,coolingsystem,electricalsystem,frameandsoonForm。Atpresent,thesteelribstrippingandrollingstraightthreadmachinehasbeenproducedinlargequantities,anditstechnicalparametersareasfollowsOneAsshown.TwoLimitstopiron.Theclampingpositionofthesteelbarislimited,Modelclassificationisthesameassteelspecification.ThreeThreadringgauge.Specialmeasuringtoolforcheckingsteelwirehead.surfaceOnetechniqueartginsengNumberofequipmenttypeGHG50typeGHG40typeTypeofthreadrollinghead5040RangeofMachinablesteelbars25-5016-40QualityofthewholemachineKg)6005904.Torquewrenchandordinarywrench.Performance:100-350N.m.5.Auxiliarytools.Grindingwheelcuttingmachine.ForreinforcementEndfaceflat.Seven,LabororganizationandsafetyOneLabororganization.(One)EachdeviceforprocessingsilkheadThreePeople,OnepeopleOperatingequipment,TwoMancarryingsteelbar.(TwoConnectrebartoeachgroup2-3People.TwoSafety.(OneAttendingsilkTechnicaltrainingmustbecarriedoutforheadmachiningandconnectionconstructionpersonnel,AfterpassingtheexaminationandIssuingthecertificateofemployment,CanDutyoperation.(TwoOperatorsengagedinhighpositionoperationorliveworkingshallabidebythestatepromulgated"Jian"Technicalcodeforsafetyofbuildingandinstallationengineering.(ThreeDetailedattentiontotheoperationsafetyofsteelribstrippingandrollingstraightthreadmachineTheBuildingMechanizationResearchBranchofChinaAcademyofbuildingresearchiscompiledApplicationofribstrippingandrollingstraightthreadmachineInstructions.Eight,Qualityinspectionofsteelwireheadandjointqualityinspectioninaccordancewiththeindustrystandard"SteelGeneraltechnicalspecificationformechanicalconnectionoftendonsJGJ107-6AndChinaConstructionScienceResearchInstituteenterprisestandard"steelbar"andsoonTechnicalspecificationforstrengthribpeelingandrollingstraightthreadconnectionQ/JYI6-200lTherelevantprovisionsinaccordancewiththeimplementation.Nine,TechnicalandeconomicanalysisOneJointquality.Becausetheprocessingofsilkisthefirstheadofthetransverseandlongitudinalribbedbarwhichisrolledoff,Thedimensionofthesteelbarbeforethreadisconsistent,Therefore,thethreadproducedbyrollingisofhighaccuracy,Thediameteristhesame,JointqualityGoodstability.2.HRB400Reinforcementconnection.BecausetheribrollingstraightthreadconnectingwireheadprocessingonlytosteelHardenthesurfaceofthetendon,Theprocessingofthewirehaslittleeffectontheductilityofthesteelbar,ThroughalargenumberofEngineeringapplications,evenThejointdoesnotappearbrittlefractureHRB400Reinforcementconnection.ThreeSiteconstructionspeed.fromAdvancedproductionofsteelwirehead,Siteconstructionandassemblyoperation,Comparedwithweldingandextrusionconnection,SiteconstructionspeedGreatlyimproved.FourWireprocessingspeed.Duetoribstripping.Rollingthreadtwoprocedures,usingadeviceonceTheprocessingofthesteelwireheadcanbecompletedbyclamping,andtheprocessingspeedisfast,andasilkheadonlyneedstobeprocessedThirty~50sEquipmentcapitalSmallamountofinvestment.FiveLesspowerconsumption,nospecialpowerdistribution,noopenfireoperation,nopollutionoftheenvironmentandsteelbar,canbealldayWaitingconstruction.Ten,EngineeringapplicationofsteelbarequalstrengthstrippingribrollingstraightthreadconnectiontechnologyOnethousandninehundredandninety-nineSincetheyearofappraisal,Hasbeenin