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12中华人民共和国行业标准钢筋焊接及验收规程SpecificationforweldingandacceptanceofreinforcingsteelbarsJGJ18-2012批准部门：中华人民共和国住房和城乡建设部施行日期：2012年08月01日中国建筑工业出版社2012北京3前言根据住房和城乡建设部建标［2009］88号文的要求，标准修订组认真贯彻国家节材节能，环境保护的政策，调查研究，进行大量钢筋焊接试验，总结实践经验，参考国内外相关标准和资料，并在广泛征求意见的基础上修订、编制了本规程。本规程主要技术内容是：1总则；2术语和符号；3材料；4钢筋焊接；5质量检验与验收；6焊工考试；7焊接安全。本规程修订的主要内容：1.增加了术语和符号；2.根据国家现行标准，特别是GB1499.2-2007《钢筋混凝土用钢第2部分：热轧带肋钢筋》中细晶粒钢筋的出现，做了细晶粒钢筋各种焊接方法的试验后，增加了适用于焊接的钢筋牌号和规格；3.对用于钢筋电渣压力焊的钢筋下限直径，从14mm延伸至12mm；4.在焊接工艺方法方面，将箍筋闪光对焊从原来“钢筋闪光对焊”中列出，增补内容，单独成节；5.在钢筋电弧焊中，增加了CO2气体保护电弧焊的内容；6.在钢筋气压焊方面，增加了半自动钢筋固态气压焊和钢筋氧液化石油气熔态气压焊的内容；7.在预埋件T形接头焊接中增加了钢筋埋弧螺柱焊。在质量检验与验收的一般规定中，对于焊接接头拉伸试验质量要求作了较大修改，更好地符合生产实际，便于操作；对焊箍筋接头质量要求，独立成节；增加对焊箍筋接头、预埋件钢筋T型接头的连接方式和力学性能检验为主控项目。新增第7章焊接安全。本规程中以黑体字标志的条文为强制性条文，即：1.0.4，3.0.8，4.1.4，5.1.9，5.1.10共五条，必须严格执行。与JGJ18-2003中条文比较，条文内容有所修改补充。本规程第1版于1965年批准发布以来，随着钢筋焊接技术的不断发展，经84版、96版、2003版，至此已是第四次修订。钢筋焊接技术具有很多优越性，是一项节材、节能、少尘、少烟的环保技术，钢筋焊接工作者应正确实施规程，确保质量，降低成本，精益求精，有所创新，为国家经济建设作贡献。本规程由住房和城乡建设部负责管理和对强制性条文的解释，由主编单位负责对具体技术内容的解释。本规程主编单位：陕西省建筑科学研究院（地址：西安市环城西路北段272号，邮政编码：710082，电话：029-88644583）本规程参编单位：陕西建工集团总公司中国建筑科学研究院北京建工集团有限责任公司中国水利水电十二工程局有限公司上海市建设工程检测行业协会4国家建筑钢材质量监督检验中心中冶建筑研究总院有限公司贵州省建设工程质量监督总站中铁二局第一工程有限公司钢铁研究总院无锡市日新机械厂成都斯达特焊接研究所西安市闫良区建设局广东省清远市代建项目管理局陕西省第三建筑工程公司冶金工业信息标准研究院首钢总公司山东石横特钢集团有限公司郑州广源建设工程检测有限公司宁波市富豪标线工程有限公司本规程主要起草人：吴成材陸建勇张宣关李增福王晓锋冯跃李本端纪怀钦朱建国马德志杨力列袁远刚彭云邹士平黄贤聪孙小雷杨秀敏宫平冯超鲁丽燕柴建铭张连杰郑乃谷5目次1总则·································································2术语和符号···························································3材料·································································4钢筋焊接·····························································4.1一般规定·························································4.2钢筋电阻点焊·····················································4.3钢筋闪光对焊·····················································4.4箍筋闪光对焊·····················································4.5钢筋电弧焊·······················································4.6钢筋电渣压力焊···················································4.7钢筋气压焊·······················································4.8预埋件钢筋埋弧压力焊·············································4.9预埋件钢筋埋弧螺柱焊·············································5质量检验与验收·······················································5.1一般规定·························································5.2钢筋焊接骨架和焊接网·············································5.3钢筋闪光对焊接头·················································5.4箍筋闪光对焊接头·················································5.5钢筋电弧焊接头···················································5.6钢筋电渣压力焊接头···············································5.7钢筋气压焊接头···················································5.8预埋件钢筋T形接头···············································6焊工考试····························································7焊接安全····························································附录A纵向受力钢筋焊接接头检验批质量验收记录···························附录B钢筋焊工考试合格证···············································本规程用词说明··························································引用标准名录····························································条文说明································································6Contents1Generalprovisions2Termsandsymbols3Materials4Weldingofreinforcingsteelbars4.1Generalstipulation4.2Resistancespotweldingofreinforcingsteelbar4.3Flashbuttweldingofreinforcingsteelbar4.4Flashbuttweldingofstirrup4.5Arcweldingofreinforcingsteelbar4.6Electroslagpressureweldingofreinforcingsteelbar4.7Gaspressureweldingofreinforcingsteelbar4.8Submerged-arcpressureweldingofreinforcingsteelbaratprefabricatedcomponents4.9Submerged-arcstudweldingofreinforcingsteelbaratprefabricatedcomponents5Qualityinspectionandacceptance5.1Generalrequirement5.2Weldedframeandweldedfabricofreinforcingsteelbars5.3Flashbuttweldedjointofreinforcingsteelbar5.4Flashbuttweldedjointofstirrup5.5Arcweldedjointofreinforcingsteelbar5.6Electroslagpressureweldedjointofreinforcingsteelbar5.7Gaspressureweldedjointofreinforcingsteelbar5.8T-jointofreinforcingsteelbaratprefabricatedcomponents6Examineofweldor7WeldingsafetyAppendixAQualityacceptancerecordofweldedjointsinspectiongroupforlongitudinalloadedreinforcingsteelbarsAppendixBCertificateofweldorinspectionandtestforreinforcingsteelbarExplanationofwordinginthisSpecificationNormativestandardProvisionsexplanation71总则1.0.1为了在钢筋焊接施工中采用合理的焊接工艺和统一质量验收标准,做到技术先进,节材节能，经济合理，安全适用，确保质量，制订本规程。1.0.2本规程适用于一般工业与民用建筑工程混凝土结构中的钢筋焊接施工及质量检验与验收;本规程适用的焊接方法包括钢筋电阻点焊、闪光对焊、箍筋闪光对焊、电弧焊、电渣压力焊、气压焊和预埋件T形接头钢筋埋弧压力焊、埋弧螺柱焊等焊接方法。1.0.3本规程适用于热轧光圆钢筋、普通热轧带肋钢筋、细晶粒热轧带肋钢筋、冷轧带肋钢筋、余热处理钢筋等的合适钢筋直径和焊接方法，在本规程规定范围内选择使用。1.0.4从事钢筋焊接施工的焊工必须持有钢筋焊工考试合格证，才能按照合格证规定的范围上岗操作。1.0.5在进行钢筋焊接施工及质量检验与验收时，除按本规程执行外，尚应符合国家现行强制性标准的规定。82术语和符号2.1术语2.1.1钢筋电阻点焊resistancespotweldingofreinforcingsteelbar将两钢筋安放成交叉叠接形式，压紧于两电极之间，利用电阻热熔化母材金属，加压形成焊点的一种压焊方法。2.1.2钢筋闪光对焊flashbuttweldingofreinforcingsteelbar将两钢筋以对接形式安放在对焊机上，利用电阻热使接触点金属熔化，产生强烈闪光和飞溅，迅速施加顶锻力完成的一种压焊方法。2.1.3箍筋闪光对焊flashbuttweldingofstirrup将待焊箍筋两端以对接形式安放在对焊机上，利用电阻热使接触点金属熔化，产生强烈闪光和飞溅，迅速施加顶锻力，焊接形成封闭环式箍筋的一种压焊方法。2.1.4钢筋电弧焊arcweldingof