2020022003(JGJ81)(100088)BRIEFINTRODUCTIONTOREVISIONOFTECHNICALSPECIFICATIONFORWELDINGOFSTEELSTRUCTUREOFBUILDING(JGJ81)ABSTRACTZhouWenyingSuPingLiudingfeng(CentralResearchInstitutefBuildingandConstructionofMCCGroupBeijing100088)Theprinciplesandguidingthinkingofenrichingcontentsimprovingtechnologyenlargingapplicablescopeandenhancingoperabilityandtargetsconformingwiththeadvancedinternationalcodesofthesamesortsareexpoundedwhenrevisingthisspecification.Anoverallintroductiontothefollowingmaintechnicalrespectsandthescopeofthespecificationisalsogivenintherevisedversiongeneralsbasicrequirementsmaterialsstructureofweldingjointevaluationfweldingprocesstechniqueofweldinginspectionofweldingqualityweldingstrengtheningandweldersexamination.ItispointedoutthatthepracticalityandtheimportanceforensuringconstructionqualityofsteelworkofbuildingwhenthisspecificationisusedasasupplementmatinganddeepeningofthecodesforsteelworkconstructionandqualityacceptanceetcKEYWORDSsteelstructureofbuildingweldingspecificationrevisionl1)2)3)4)5)8020403609522.1()42.21)()2)T40mmzO.453)TKYAWSD1.1()JASS6()6AWSD1.15THH5mm12.5AWSD1.1JASS6-4)AWSD1.1(JBT696393)B5)3345MPa556)TKYT7)80.48)()3[1996]626[1996]626(GBT337594)(GB50017)(GB502052001)(GBT337594)()()[1999]626()