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1 鋼筋焊接及驗收規(guī)程 JGJ18-2012 目次 1總 則······························· ································ ·· 2術語和符 號······························· ···························· 3材 料······························· ································ ·· 4鋼筋焊 接······························· ······························ 4.1一般規(guī) 定······························· ·························· 4.2鋼筋電阻點 焊··············
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鋼筋焊接及驗收規(guī)程 JGJ18-2012 施行日期: 2012年08月01日 前言 根據(jù)住房和城鄉(xiāng)建設部建標[ 2009]88號文的要求,標準修訂組認真貫徹國家節(jié)材節(jié)能, 環(huán)境保護的政策,調(diào)查研究,進行大量鋼筋焊接試驗,總結實踐經(jīng)驗,參考國內(nèi)外相關標準 和資料,并在廣泛征求意見的基礎上修訂、編制了本規(guī)程。 本規(guī)程主要技術內(nèi)容是: 1總則; 2術語和符號; 3材料; 4鋼筋焊接; 5質量檢驗與驗收; 6焊工考試; 7焊接安全。 本規(guī)程修 訂的主 要內(nèi)容 : 1. 增加了術 語和符 號;2. 根據(jù)國 家現(xiàn)行 標準, 特別是 GB1499.2-2007《鋼筋混凝土用鋼第 2部分:熱軋帶肋鋼筋》中細晶粒鋼筋的出現(xiàn),做了細晶 粒鋼筋各種焊接方法的試驗后,增加了適用于焊接的鋼筋牌號和規(guī)格; 3.對用于鋼筋電渣壓 力焊的鋼筋下限直徑,從 14mm延伸至 12mm;4.在焊接工藝方法方面,將箍筋閃光對焊