技术交底——地下室钢筋绑扎工艺标准（technical disclosure - basement reinforcement banding standard）

'技术交底——地下室钢筋绑扎工艺标准（Technicaldisclosure-basementreinforcementbandingstandard）Two,thereinforcementassemblingandinstallationengineeringSteelbandingprocessstandards4-6basement(406-1996)Therangeof1Thistechnologyisapplicabletosteelbandingbasementfloor,wallofreinforcedconcrete.2constructionpreparationThe2.1mainmaterialsandequipment:2.1.1bar:shouldhavethecertificate,accordingtotheprovisionsformechanicaltest.Whenthebrittlefractureandotherspecialcircumstancesoccurduringthemachiningprocess,theneedforchemicalcompositionanalysis.Thereshouldbenooldrustanddirt.2.1.2wire:canuse20~22wire(firewire)orgalvanizedwire(QianSi).Thewirecuttinglengthtomeettherequirementofoperation.Theprotectivelayerofconcretewith2.1.3controlmortarpad,plasticcard,hookorrodetc..2.1.4tools:steelhook,crowbar,wrench,lashingwirerack,brushes,trolleys,chalkandrulers. 2.2operatingconditions:Accordingtotheprovisionsof2.2.1planconstructionsitelocation,reinforcedyardclean,smooth.Readytostowaccordingtorebarorderclassificationandcleaning,corrosion.2.2.2checkthereinforcementlevel,type,shape,sizeandquantityarethesamewiththesingledesigndrawingsandprocessingingredients.2.2.3whenthehighundergroundwaterlevelconstructionsite,musthavedrainageanddewateringmeasures.2.2.4familiarwiththedrawings,inordertodeterminethereinforcementwith,anddotheworkinconjunctionwiththerelevanttypes,suchasformwork,pipeline,waterproofconstructionandassemblingreinforcementrelationship,constructionmethod,maketechnicaldisclosure.2.2.5accordingtothebasementwaterproofconstructionscheme(bystickingplasterorconstruction),floorreinforcementbindingfinishbottomwaterprooflayerandaprotectivelayer;abottomendaroundthetemplate(orendwallmasonryprotection,waterprooflayer).Whenusedinthebasementwaterproofwallstickingmethodconstruction,betweenthewallofreinforcedmasonrybeforelashingprotectionwall,waterprooflayerandaprotectivelayer.3operationprocess 3.1process:Drawlinetotransporttothelocationofsteelreinforcedtheuseofthesitetotieplateandsteelbeam,reinforcedwalltie3.2strokes:reinforcedpositionlinedrawingsaccordingtothespecifiednumberofsteelbarreinforcementspacing,calculatetheactualfloorneeds,generallygetclosetothatsideofthetemplatefromthetemplatereinforcedbottomedgeof5cm,popuponthebottomlineofrebar(includingbasicbeampositionline).3.3tiefoundationslabandfoundationofLiangGangjin3.3.1accordingtotherebarlocationline,thefirstshopfloorlowerreinforced.Accordingtothebottomstresssituation,decidewhichdirectioninthelowersteelreinforced,generalXianputoshortbar,withlongitudinalreinforcement.3.3.2steelbar,neartheintersectionoftwolineseachhaveperipheralbinding,themiddlepartoftheintersectionpointcanbeseparatedbystaggeredsteellashing,two-wayforcemustbereinforcedtoallcrossbanding.Suchastheuseofabuckleshouldbestaggeredalongthedirectionoftransformation,canalsouseeightbuttons,butmustensurereinforcementdisplacement.3.3.3placedfloorconcreteprotectivelayermortarpad,cushionthicknessisequaltothethicknessoftheprotective layer,eachabout1mdistanceplumtypedisplay.Ifthebaseisthickorthefoundationbeamandplatesteelinlargequantities,placeddistancecanbereduced,Eventhemortarpadcanuseinsteadofiron.3.3.4floorasthefoundationbeam,canbesegmentedbindingmolding,theninstalledinplace,oraccordingtothebeampositionlineinsitubindingmolding.The3.3.5baseplatewithdoublesteel,lowerendtiedreinforcement,reinforcedsteelframeorplacedhorsestool(withaspacingabout1misappropriate),placedintwodirectionsofpositioningbarinhorsestool,buckleontheorderandmethodofreinforcedfloorreinforcedwithlowerbound.Ifthereis3.3.6floorsteeljoints,thebondlengthandthelappingpositionshallmeettherequirementsofconstructionspecification,reinforcedjointapplicationofwireinthecenterandfastenedends.Suchastheuseofweldedjoints,shouldaccordingtoweldingrulesextractionsamples,jointdisposalalsoshouldmeettherequirementsofconstructionspecification.3.3.7becauseoftheparticularityoffoundationslabandfoundationbeams,thereinforcedtendonlocationshouldmeetthedesignrequirements.Accordingtothe3.3.8playwallandcolumnpositionline,columnandwallinthefoundationofthereinforcingbanding firmly,insertthefoundationdepthshouldmeetthedesignrequirements,throwthelengthshouldnotbetoolong,theupperendoftheverticalreinforcementmeasuresshouldbetakentoensurethatnorejection,skew,dumping,displacement.The3.4wallsteelbanding:3.4.1popsupontheconcretefloorwallanddoorandwindowopeningandpositionline,oncethecorrectionembeddingstirrup,suchasdisplacement,accordingtotheprovisionsofseriousnegotiations.Thewalltemplateshouldadoptthe"switchingmodebranch",inordertofacilitatetheconstructionofreinforced.3.4.2put2to4verticalbarsandhorizontalbarspaintedgradingmarks,andthentiedtwohorizontalbarsinthelowerpartofthechestandpositioning,anddrawtheverticalreinforcementfilemark.Thegeneralsituationinthetransversereinforcement,verticalreinforcementin,soputtheverticalbartiedtransverserib.Anyway,theribspacingandlocationshouldmeetthedesignrequirements.3.4.3wallreinforcementforbiaxialstressreinforcement,reinforcementshouldbeallintersectionpointbinding,theoverlappinglengthandpositiontomeettherequirementsofdesigndrawingsandconstructionspecifications.3.4.4RCspacingshouldbetiedtosupportorreinforcement,withfixedbarspacing.Supportorreinforcementavailablewith6or8withsteelproduction,adistanceabout1m,toensurethatthedistancebetweenthedoublerowsteelbar. 3.4.5onthewalloutsidereinforcedmortarpadtiedwithwire,inordertoensurethethicknessoftheprotectivelayer.Toensurethe3.4.6ofwindowsanddoorselevationpositioncorrectly,drawthestandardhighintheverticalbar.Accordingtothedesignrequirementsofthedoorsandthewindowslashingintothewalllintelreinforcement,anchorlengthshouldcomplywiththedesignrequirements.3.4.7theconnectionpointoftheseismicreinforcementandanchoragelength,shallbebindingaccordingtothedesignrequirements.Suchasthelongitudinalstressreinforcementofbasementwalldepthfirstfloorcolumn;theforcelengthofanchorbarwallendoftheinnerandouterwalljunctionbybinding,shouldpayattentionto.3.4.8withothertypesofinstallationofembeddedtubes,thereservedhole,itslocationandelevationshallcomplywiththedesignrequirements.4qualitystandard4.1ensureproject:4.1.1steelvarietyandquality,weldingrod,fluxofgrades,theperformanceandtheuseofsteel,mustmeetthedesignrequirementsoftherelevantstandardsandregulations.Theimportofsteelbeforewelding,weldingtestmustbecarriedoutthechemicalcompositioninspection,inaccordancewiththerelevantprovisionsbeforewelding. 4.1.2reinforcedsurfacemustbeclean,withgranularorflakyrust,Afterderustingstillpittedsteel,strictlyaccordingtotheoriginalspecifications.4.1.3steelspecifications,shapeandsize,number,spacing,anchorlength,jointset,mustcomplywiththedesignrequirementsandconstructionnorms.Themechanicalpropertiesof4.1.4weldedjoints,weldedsteelspecialprovisionsmustcomplywiththestandard.4.2basicitems:Thelackof4.2.1bindingsteelbuckle,loosetiebuckleamountshallnotexceedthenumberof10%,andshouldnotbeconcentrated.The4.2.2hookshouldbecorrect,jointsshouldmeettherequirementsofconstructionspecification,laplengthofnotlessthanthespecifiedvalue.4.2.3gradesteelproductionratio,thequantityshouldmeetthedesignrequirements,hookangleandstraightlengthshouldmeettherequirementsofconstructionspecification.4.2.4ontheweldingheadwithouttransversecracksandburn,uniformweldingpackage.Jointbendingshallnotbegreaterthan4degrees,theoffsetjointsreinforcedaxisshallnotbe greaterthan0.1Dandlessthan2mm.4.2.5electricarcweldingseamsmoothsurface,nosag,weldingjoints,nocracks,porosity,slagandundercut.Theconnectorsizeallowabledeviationshallnotexceedthefollowingprovisions:Thelongitudinaldisplacementof4.2.5.1tieaalongthecenterofthejointisnotgreaterthan0.5d,thejointbendingisnotgreaterthan4degrees.Offset4.2.5.2jointreinforcedaxisisnotgreaterthan0.1D,andnomorethan3mm.4.2.5.3weldthicknessnotlessthan0.05d.4.2.5.4weldwidthnotlessthan0.1d.4.2.5.5weldlengthnotlessthan0.5d.4.2.5.6jointbendingisnotgreaterthan4degrees.4.3allowabledeviation,seetable4-6.Theallowabledeviationofsteelbarinstallationandembeddedpartsofthepositionvaluetableof4-6Beijingproject Theallowabledeviation(mm)TestmethodOneMeshsizewelding+10Threecontinuousscale,TakethemaximumvalueLashing+20TwoFramewidthandheight+5MeasurementinspectionThree Framelength+10FourThestirrup,structuralreinforcementspacingwelding+10Threecontinuousscale,TakethemaximumvalueLashing+20FiveWorkingreinforcementspacing+10Themiddlescale,bothendsofeach Alittle,takethemaximumvalueRowspacing+5EachpointtakesitsmaximumvalueSixBendingstartingpointdisplacementTwentySevenWeldingpartsThecenterlineofdisplacementFiveMeasurementinspectionLeveldifference+3-0Eight ThestressofreinforcedprotectivelayerBasics+10MeasurementinspectionBeamandcolumn+5Wallplate+35productprotection5.1formingsteelshouldbeatdesignatedlocationsforstacking,chockedneatly,topreventthedeformationofsteel,rustandoil.5.2shouldtaketemporaryreinforcementlashingwallshelves,notstampedonsteel.Thewaterprooflayer5.3protectedaroundtheexposed,toavoidbeingreinforcedpengpo.The5.4flooroftheupperandlowersupportingsteelbinding,horsestooltobetiedtothefirm,preventoperationon deformation.5.5itisstrictlyprohibitedtocutsteel.6qualityproblemsshouldbepaidattentiontoSixThe1columnandwallembeddedsteelbarsandfloordisplacementplugwallandcolumnmainbarsandbarstobefirmlyfixed,toensureaccurateposition.Whennecessary,additionalreinforcementweldingwelding.Dressingcheckbeforeconcretepouringshouldbefree.6.2:thereinforcementofwallsandcolumnsreinforcedevery1mwithstrapswirecementpads(orplasticcards).The6.3laplengthisnotenough:dealwitheachjointrulerbinding,checkwhetherthelaplengthcomplywiththedesignrequirementsandspecification.Jointpositionerror:6.4reinforcedbeamcolumnwallandreinforcedjointsmore,turnlikematerialprocessing,accordingtothedrawingsshouldbepredrawnovertheconstructionplans,specifythesteelcollocationorder,andavoidthemaximumbendingmomentatthereinforcementforce.The6.5jointsandtheweldingheaddidnotstagger:afterweldingofsteelprocessing,arebindingonthespotwhentheweldingheadtostaggerthelapposition.Thereforetheprocessingmaterial,wherethedistanceofreinforcementend laplengthshallbewithinthescopeoftheweldinghead.7qualityrecordsThetechnologystandardshouldhavethefollowingqualityrecords:7.1steelfactoryqualitycertificateortestreport.7.2mechanicalpropertiesofreinspectionreport.Theinspectionreportshouldbe7.3chemicalcompositionofsteelandimportedweldingtestreport.Domesticsteelbrittlefracture,weldingperformanceandmechanicalpropertiessignificantlyabnormalbadintheprocess,itschemicalcompositioninspectionreport.7.4steelweldingjointtestreport.The7.5electrodeandfluxfactorycertificate.Dataqualityinspectionandevaluationof7.6steelproject.7.7reinforcementofconcealedprojectacceptance.-------------------------------------------------------------------------------------------GansuConstruction:buildingmaterialspriceinformation,datadownload,onlinesupplyanddemandinformation,personnelinformation,buildingconstructionsoftwaresales,welcometo inquire.Www.gsjianshe.com'