最新《钢筋焊接及验收规程》JGJ18-2012

最新钢筋焊接及验收规程JGJ18-2012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································································1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。

钢筋焊接及验收规程JTJ18-2012本标准2012.03.01发布2012.08.01实施批准部门：中华人民共和国住房和城乡建设部本规程主要技术内容：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《钢筋混凝土用钢第二部分：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 延至12mm；4.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；对箍筋焊接接头质量要求，独立成节；增加对箍筋接头﹑预埋件钢筋T形接头的连接方式和力学性能检验为主控项目。

新增第七章焊接安全。

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5条，必须严格执行。

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。

3.0.8，凡施焊的各种钢筋板材均应有质量证明书；焊条﹑焊丝﹑氧气﹑乙炔﹑液化石油气﹑二氧化碳﹑焊剂应有产品合格证。

4.1.4,在工程开工正式焊接之前，参与该项施焊的焊工应进行现场条件下的焊接工艺试验，并经试验合格后，方可正式生产。

试验结果应符合质量检验与验收时的要求。

5.1.9,钢筋闪光对焊接头﹑电弧焊接头﹑电渣压力焊接头﹑气压焊接头﹑箍筋闪光对焊接头﹑预埋件钢筋T形接头的拉伸试验结果评定如下。

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钢筋焊接及验收规程JGJ18-2012施行日期：2012年08月01日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，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。